# Definitions and Synonyms of *physics* | Another word for *physics* | What is *physics? *

*Definition 1: the science of matter and energy and their interactions - [noun denoting cognition]*

*Samples where physics or its synonyms are used according to this definition*

*his favorite subject was physics*

*Synonyms for physics in the sense of this definition*

*(**physics* is a kind of ...) the sciences involved in the study of the physical world and its phenomena

*physics*is a kind of ...) the sciences involved in the study of the physical world and its phenomena

*(... is a kind of **physics* ) the branch of physics that studies celestial bodies and the universe as a whole

*physics*) the branch of physics that studies celestial bodies and the universe as a whole

*(... is a kind of **physics* ) the theory and practice of navigation through air or space

*physics*) the theory and practice of navigation through air or space

*(... is a kind of **physics* ) physics as applied to biological problems

*physics*) physics as applied to biological problems

*(... is a kind of **physics* ) the branch of physics that studies the phenomena that occur at very low temperatures

*physics*) the branch of physics that studies the phenomena that occur at very low temperatures

*(... is a kind of **physics* ) the branch of science that studies the formation and structure of crystals

*physics*) the branch of science that studies the formation and structure of crystals

*(... is a kind of **physics* ) the branch of physics concerned with electromagnetic phenomena

*physics*) the branch of physics concerned with electromagnetic phenomena

*(... is a kind of **physics* ) the branch of physics that deals with the emission and effects of electrons and with the use of electronic devices

*physics*) the branch of physics that deals with the emission and effects of electrons and with the use of electronic devices

*(... is a kind of **physics* ) the branch of physics that deals with static electricity

*physics*) the branch of physics that deals with static electricity

*(... is a kind of **physics* ) the branch of physics concerned with the motion of bodies in a frame of reference

*physics*) the branch of physics concerned with the motion of bodies in a frame of reference

*(... is a kind of **physics* ) the branch of physics that studies the internal structure of atomic nuclei

*physics*) the branch of physics that studies the internal structure of atomic nuclei

*(... is a kind of **physics* ) the branch of physics that studies the physical properties of light

*physics*) the branch of physics that studies the physical properties of light

*(... is a kind of **physics* ) the branch of physics that studies subatomic particles and their interactions

*physics*) the branch of physics that studies subatomic particles and their interactions

*(... is a kind of **physics* ) the branch of physics concerned with matter in its plasma phase

*physics*) the branch of physics concerned with matter in its plasma phase

*(... is a kind of **physics* ) the branch of physics based on quantum theory

*physics*) the branch of physics based on quantum theory

*(... is a kind of **physics* ) the branch of physics that studies the deformation and flow of matter

*physics*) the branch of physics that studies the deformation and flow of matter

*(... is a kind of **physics* ) the branch of physics that studies the properties of materials in the solid state: electrical conduction in crystals of semiconductors and metals; superconductivity; photoconductivity

*physics*) the branch of physics that studies the properties of materials in the solid state: electrical conduction in crystals of semiconductors and metals; superconductivity; photoconductivity

*(... is a kind of **physics* ) the branch of physics that makes theoretical predictions about the behavior of macroscopic systems on the basis of statistical laws governing its component particles

*physics*) the branch of physics that makes theoretical predictions about the behavior of macroscopic systems on the basis of statistical laws governing its component particles

*(... is a kind of **physics* ) the branch of physics concerned with the conversion of different forms of energy

*physics*) the branch of physics concerned with the conversion of different forms of energy

*(physics* is the domain which ... is member of) (physics) an ideal space in which the coordinate dimensions represent the variables that are required to describe a system or substance

*"a multidimensional phase space"*

### (physics is the domain which ... is member of) (physics) a system designed to prevent the accidental release of radioactive material from a reactor

### (physics is the domain which ... is member of) (physics) scientific instrument that traces the path of a charged particle

### (physics is the domain which ... is member of) (physics) a device that attracts iron and produces a magnetic field

### (physics is the domain which ... is member of) (physics) the curved upper surface of a nonturbulent liquid in a vertical tube

### (physics is the domain which ... is member of) (physics) any of several kinds of apparatus that maintain and control a nuclear reaction for the production of energy or artificial elements

### (physics is the domain which ... is member of) the quality of a physical system that persists in its existing equilibrium when undisturbed (or only slightly disturbed) but able to pass to a more stable equilibrium when sufficiently disturbed

### (physics is the domain which ... is member of) (physics) the property of being isotropic; having the same value when measured in different directions

### (physics is the domain which ... is member of) (physics) the property of matter and electromagnetic radiation that is characterized by the fact that some properties can be explained best by wave theory and others by particle theory

### (physics is the domain which ... is member of) (physics) the property of a body that determines the fraction of the incident radiation or sound flux absorbed or absorbable by the body

### (physics is the domain which ... is member of) (physics) the resistance of a material to the establishment of a magnetic field in it

### (physics is the domain which ... is member of) (physics) the mass of a body as measured when the body is at rest relative to an observer, an inherent property of the body

### (physics is the domain which ... is member of) (physics) the mass of a body in motion relative to the observer: it is equal to the rest mass multiplied by a factor that is greater than 1 and that increases as the magnitude of the velocity increases

### (physics is the domain which ... is member of) (physics) the mass of a body as measured by its gravitational attraction for other bodies

### (physics is the domain which ... is member of) (physics) the mass of a body as determined by the second law of motion from the acceleration of the body when it is subjected to a force that is not due to gravity

### (physics is the domain which ... is member of) (physics) the mass of a body regarded relativistically as energy

### (physics is the domain which ... is member of) (physics) the number of changes in energy flow across a given surface per unit area

### (physics is the domain which ... is member of) (physics) a measure of the extent to which a substance transmits light or other electromagnetic radiation

### (physics is the domain which ... is member of) (physics) the smallest discrete quantity of some physical property that a system can possess (according to quantum theory)

### (physics is the domain which ... is member of) (physics) a point in the ideal multidimensional phase space that is used to describe a system toward which the system tends to evolve regardless of the starting conditions of the system

### (physics is the domain which ... is member of) (physics) statistical law obeyed by a system of particles whose wave function is not changed when two particles are interchanged (the Pauli exclusion principle does not apply)

### (physics is the domain which ... is member of) (chemistry and physics) law stating that the pressure exerted by a mixture of gases equals the sum of the partial pressures of the gases in the mixture; the pressure of a gas in a mixture equals the pressure it would exert if it occupied the same volume alone at the same temperature

### (physics is the domain which ... is member of) (physics) a law expressing the distribution of energy among the molecules of a gas in thermal equilibrium

### (physics is the domain which ... is member of) (physics) law obeyed by a systems of particles whose wave function changes when two particles are interchanged (the Pauli exclusion principle applies)

### (physics is the domain which ... is member of) (physics) the density of an ideal gas at constant pressure varies inversely with the temperature

### (physics is the domain which ... is member of) (physics) the principle that (within the elastic limit) the stress applied to a solid is proportional to the strain produced

### (physics is the domain which ... is member of) (physics) two laws governing electric networks in which steady currents flow: the sum of all the currents at a point is zero and the sum of the voltage gains and drops around any closed circuit is zero

### (physics is the domain which ... is member of) (physics) the law that states any two bodies attract each other with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between them

### (physics is the domain which ... is member of) (physics) a law governing the relations between states of energy in a closed system

### (physics is the domain which ... is member of) (physics) the principle that a measured quantity of mass is equivalent (according to relativity theory) to a measured quantity of energy

### (physics is the domain which ... is member of) (physics) the basis of quantum theory; the energy of electromagnetic waves is contained in indivisible quanta that have to be radiated or absorbed as a whole; the magnitude is proportional to frequency where the constant of proportionality is given by Planck's constant

### (physics is the domain which ... is member of) (physics) an equation that expresses the distribution of energy in the radiated spectrum of an ideal black body

### (physics is the domain which ... is member of) (physics) the theory that any two particles of matter attract one another with a force directly proportional to the product of their masses and inversely proportional to the square of the distance between them

### (physics is the domain which ... is member of) (physics) a universal law that states that the laws of mechanics are not affected by a uniform rectilinear motion of the system of coordinates to which they are referred

### (physics is the domain which ... is member of) (physics) the principle that an observer has no way of distinguishing whether his laboratory is in a uniform gravitational field or is in an accelerated frame of reference

### (physics is the domain which ... is member of) (physics) a theory that explains a physical phenomenon in terms of a field and the manner in which it interacts with matter or with other fields

### (physics is the domain which ... is member of) (physics) a theory of atomic structure that combined Rutherford's model with the quantum theory; electrons orbiting a nucleus can only be in certain stationary energy states and light is emitted when electrons jump from one energy state to another

### (physics is the domain which ... is member of) (physics) the maintenance of a certain quantities unchanged during chemical reactions or physical transformations

### (physics is the domain which ... is member of) (physics) parity is conserved in a universe in which the laws of physics are the same in a right-handed system of coordinates as in a left-handed system

### (physics is the domain which ... is member of) (physics) the theory that light is transmitted as waves

### (physics is the domain which ... is member of) (physics) the theory that light is transmitted as a stream of particles

### (physics is the domain which ... is member of) (physics) a theory that gases consist of small particles in random motion

### (physics is the domain which ... is member of) (physics) the theory that space and time are relative concepts rather than absolute concepts

### (physics is the domain which ... is member of) (physics) a theory that tries to link the four fundamental forces

*"according to supersymmetry each force emerged separately during the big bang"*

### (physics is the domain which ... is member of) (physics) a physical theory that certain properties occur only in discrete amounts (quanta)

### (physics is the domain which ... is member of) (physics) a phase space together with a transformation of that space

### (physics is the domain which ... is member of) (physics) a dynamical system that is extremely sensitive to its initial conditions

### (physics is the domain which ... is member of) (physics) a brief event in which two or more bodies come together

*"the collision of the particles resulted in an exchange of energy and a change of direction"*

### (physics is the domain which ... is member of) (physics) a wave that is hypothesized to propagate gravity and to travel at the speed of light

### (physics is the domain which ... is member of) (physics) a regular periodic variation in value about a mean

### (physics is the domain which ... is member of) (physics) a movement up and down or back and forth

### (physics is the domain which ... is member of) (physics) a quantum of energy or quasiparticle that can be propagated as a traveling wave in nonlinear systems and is neither preceded nor followed by another such disturbance; does not obey the superposition principle and does not dissipate

*"soliton waves can travel long distances with little loss of energy or structure"*

### (physics is the domain which ... is member of) (physics) a short-lived oscillation in a system caused by a sudden change of voltage or current or load

### (physics is the domain which ... is member of) (physics) an abrupt transition of an electron or atom or molecule from one quantum state to another with the emission or absorption of a quantum

### (physics is the domain which ... is member of) (physics) a combining of charges or transfer of electrons in a gas that results in the neutralization of ions; important for ions arising from the passage of high-energy particles

### (physics is the domain which ... is member of) (physics) the change of one chemical element into another (as by nuclear decay or radioactive bombardment)

*"the transmutation of base metals into gold proved to be impossible"*

### (physics is the domain which ... is member of) (physics) the maximum displacement of a periodic wave

### (physics is the domain which ... is member of) (physics) the point of minimum displacement in a periodic system

### (physics is the domain which ... is member of) (physics) the point of maximum displacement in a periodic system

### (physics is the domain which ... is member of) (physics) the center of mass of the immersed part of ship or other floating object

### (physics is the domain which ... is member of) (physics) an imaginary surface joining all points in space that are reached at the same instant by a wave propagating through a medium

### (physics is the domain which ... is member of) (physics) something joined by two equal and opposite forces that act along parallel lines

### (physics is the domain which ... is member of) (physics) a particle that is less complex than an atom; regarded as constituents of all matter

### (physics is the domain which ... is member of) (physics) hypothetical truly fundamental particle in mesons and baryons; there are supposed to be six flavors of quarks (and their antiquarks), which come in pairs; each has an electric charge of +2/3 or -1/3

*"quarks have not been observed directly but theoretical predictions based on their existence have been confirmed experimentally"*

### (physics is the domain which ... is member of) a hypothetical subatomic particle of large mass that interacts weakly with ordinary matter through gravitation; postulated as a constituent of the dark matter of the universe

### (physics is the domain which ... is member of) a scientist trained in physics

### (physics is the domain which ... is member of) (physics) an effect whereby a body moving in a rotating frame of reference experiences the Coriolis force acting perpendicular to the direction of motion and to the axis of rotation; on Earth the Coriolis effect deflects moving bodies to the right in the northern hemisphere and to the left in the southern hemisphere

### (physics is the domain which ... is member of) (physics) a secondary influence on a system that causes it to deviate slightly

### (physics is the domain which ... is member of) (physics) a spectrum of radiation caused by electron transitions within an atom; the series of spectrum lines is characteristic of the element

### (physics is the domain which ... is member of) (physics) the intermolecular force that holds together the molecules in a solid or liquid

### (physics is the domain which ... is member of) (physics) a force due to the earth's rotation; acts on a body in motion (airplane or projectile) in a rotating reference frame; in a rotating frame of reference Newton's second law of motion can be made to apply if in addition to the real forces acting on a body a Coriolis force and a centrifugal force are introduced

### (physics is the domain which ... is member of) (physics) a thermodynamic quantity equivalent to the capacity of a physical system to do work; the units of energy are joules or ergs

*"energy can take a wide variety of forms"*

### (physics is the domain which ... is member of) (physics) the rate of doing work; measured in watts (= joules/second)

### (physics is the domain which ... is member of) (physics) a manifestation of energy; the transfer of energy from one physical system to another expressed as the product of a force and the distance through which it moves a body in the direction of that force

*"work equals force times distance"*

### (physics is the domain which ... is member of) (physics) the influence that produces a change in a physical quantity

*"force equals mass times acceleration"*

### (physics is the domain which ... is member of) (physics) the force of attraction between all masses in the universe; especially the attraction of the earth's mass for bodies near its surface

*"the more remote the body the less the gravity"*

*"the gravitation between two bodies is proportional to the product of their masses and inversely proportional to the square of the distance between them"*

*"gravitation cannot be held responsible for people falling in love"*

### (physics is the domain which ... is member of) (physics) the tendency of a body to maintain its state of rest or uniform motion unless acted upon by an external force

### (physics is the domain which ... is member of) (physics) the rate of change of the angular velocity of a rotating body

### (physics is the domain which ... is member of) (physics) the rate of change of the angular position of a rotating body; usually expressed in radians per second or radians per minute

### (physics is the domain which ... is member of) (physics) electromagnetic radiation that can produce a visual sensation

*"the light was filtered through a soft glass window"*

### (physics is the domain which ... is member of) (physics) vibration produced by resonance

### (physics is the domain which ... is member of) (physics) a current loop gives rise to a magnetic field characteristic of a magnetic dipole

*"An orbiting electron in an atom will have a magnetic dipole moment"*

### (physics is the domain which ... is member of) (physics) opposition to magnetic flux (analogous to electric resistance)

### (physics is the domain which ... is member of) (physics) a flash of light that is produced in a phosphor when it absorbs a photon or ionizing particle

### (physics is the domain which ... is member of) (physics) a deformation of an object in which parallel planes remain parallel but are shifted in a direction parallel to themselves

*"the shear changed the quadrilateral into a parallelogram"*

### (physics is the domain which ... is member of) (physics) force that produces strain on a physical body

*"the intensity of stress is expressed in units of force divided by units of area"*

### (physics is the domain which ... is member of) (physics) a stress that produces an elongation of an elastic physical body

*"the direction of maximum tension moves asymptotically toward the direction of the shear"*

### (physics is the domain which ... is member of) (physics) deformation of a physical body under the action of applied forces

### (physics is the domain which ... is member of) (physics) the transfer of energy between elementary particles or between an elementary particle and a field or between fields; mediated by gauge bosons

### (physics is the domain which ... is member of) (physics) the interaction that binds protons and neutrons together in the nuclei of atoms; mediated by gluons

### (physics is the domain which ... is member of) (physics) an interaction between elementary particles involving neutrinos or antineutrinos that is responsible for certain kinds of radioactive decay; mediated by intermediate vector bosons

### (physics is the domain which ... is member of) (physics) the process in which incident radiated energy is retained without reflection or transmission on passing through a medium

*"the absorption of photons by atoms or molecules"*

### (physics is the domain which ... is member of) (physics) the process in which there is movement of a substance from an area of high concentration of that substance to an area of lower concentration

### (physics is the domain which ... is member of) (physics) a process that alters the energy or structure or composition of atomic nuclei

### (physics is the domain which ... is member of) (physics) the exponential return of a system to equilibrium after a disturbance

### (physics is the domain which ... is member of) (physics) a nuclear reaction in which a bombarded nucleus breaks up into many particles

*"some astronomers believe that the solar system was formed by spallation when the sun was a very young star"*

### (physics is the domain which ... is member of) (physics) a coefficient that expresses how much of a specified property is possessed by a specified substance

### (physics is the domain which ... is member of) (physics) the ratio of the applied stress to the change in shape of an elastic body

### (physics is the domain which ... is member of) (physics) the universal constant in the gas equation: pressure times volume = R times temperature; equal to 8.3143 joules per kelvin per mole

### (physics is the domain which ... is member of) (physics) the universal constant relating force to mass and distance in Newton's law of gravitation

### (physics is the domain which ... is member of) a function of a topological space that gives, for any two points in the space, a value equal to the distance between them

### (physics is the domain which ... is member of) (physics) the ratio of the number of atoms of a specific isotope of an element to the total number of isotopes present

### (physics is the domain which ... is member of) a figure formed by a set of straight lines or light rays meeting at a point

### (physics is the domain which ... is member of) (physics) the angle that a magnetic needle makes with the plane of the horizon

### (physics is the domain which ... is member of) (physics) the lowest energy state of an atom or other particle

### (physics is the domain which ... is member of) (physics) material in a nuclear reactor that absorbs radiation

### (physics is the domain which ... is member of) (physics and chemistry) the smallest component of an element having the chemical properties of the element

### (physics is the domain which ... is member of) (physics and chemistry) the simplest structural unit of an element or compound

### (physics is the domain which ... is member of) (physics) a rate of increase of velocity

### (physics is the domain which ... is member of) (physics) a rate of decrease in velocity

### (physics is the domain which ... is member of) direct high energy particles or radiation against

### (physics is the domain which ... is member of) scatter (radiation) by the atoms of the medium through which it passes

### (physics is the domain which ... is member of) increase or decrease (an alternating current or voltage)

### (physics is the domain which ... is member of) convert (one form of energy) to another

*"transform energy to light"*

### (physics is the domain which ... is member of) lose a stored charge, magnetic flux, or current

*"the particles disintegrated during the nuclear fission process"*

### (physics is the domain which ... is member of) cause to undergo fission or lose particles

### (physics is the domain which ... is member of) make magnetic

*"The strong magnet magnetized the iron shavings"*

### (physics is the domain which ... is member of) make nonmagnetic; take away the magnetic properties (of)

*"demagnetize the iron shavings"*

*"they degaussed the ship"*

### (physics is the domain which ... is member of) reduce the degree of (luminescence or phosphorescence) in (excited molecules or a material) by adding a suitable substance

### (physics is the domain which ... is member of) become liquid or fluid when heated

*"the frozen fat liquefied"*

### (physics is the domain which ... is member of) make (a solid substance) liquid, as by heating

*"liquefy the silver"*

### (physics is the domain which ... is member of) become solid

*"The metal solidified when it cooled"*

### (physics is the domain which ... is member of) make solid or more solid; cause to solidify

### (physics is the domain which ... is member of) change from a liquid to a solid when cold

*"Water freezes at 32 degrees Fahrenheit"*

### (physics is the domain which ... is member of) cause to form crystals or assume crystalline form

*"crystallize minerals"*

### (physics is the domain which ... is member of) eliminate airborne shock waves from (an explosive)

### (physics is the domain which ... is member of) cause to vibrate in a definite pattern

*"polarize light waves"*

### (physics is the domain which ... is member of) charge (a conductor) with electricity

### (physics is the domain which ... is member of) eliminate the polarization of

### (physics is the domain which ... is member of) become deformed by forces tending to produce a shearing strain

### (physics is the domain which ... is member of) apply quantum theory to; restrict the number of possible values of (a quantity) or states of (a physical entity or system) so that certain variables can assume only certain discrete magnitudes that are integral multiples of a common factor

*"Quantize gravity"*

### (physics is the domain which ... is member of) produce electric current by electrostatic or magnetic processes

### (physics is the domain which ... is member of) subject to movement in which every part of the body moves parallel to and the same distance as every other point on the body

### (physics is the domain which ... is member of) having the properties of a magnet; the ability to draw or pull

*"an attractive force"*

### (physics is the domain which ... is member of) possessing the ability to repel

*"a repulsive force"*

### (physics is the domain which ... is member of) capable of assuming or producing either of two states

*"a reversible chemical reaction"*

*"a reversible cell"*

### (physics is the domain which ... is member of) of a particle or body or system; having no charge

*"an uncharged particle"*

*"an uncharged battery"*

### (physics is the domain which ... is member of) (physics) relating to or based on concepts that preceded the theories of relativity and quantum mechanics

### (physics is the domain which ... is member of) (chemistry, physics) capable of being mixed

### (physics is the domain which ... is member of) (chemistry, physics) incapable of mixing

### (physics is the domain which ... is member of) at or of a point at which a property or phenomenon suffers an abrupt change especially having enough mass to sustain a chain reaction

*"a critical temperature of water is 100 degrees C--its boiling point at standard atmospheric pressure"*

*"critical mass"*

*"go critical"*

### (physics is the domain which ... is member of) not critical; not at a point of abrupt change

### (physics is the domain which ... is member of) involving a transfer of heat

*"a diabatic process"*

### (physics is the domain which ... is member of) occurring without loss or gain of heat

*"adiabatic expansion"*

### (physics is the domain which ... is member of) having viscous as well as elastic properties

### (physics is the domain which ... is member of) capable of undergoing nuclear fission

*"a fissionable nucleous"*

*"fissionable material"*

### (physics is the domain which ... is member of) not capable of undergoing fission

### (physics is the domain which ... is member of) unconstrained or not chemically bound in a molecule or not fixed and capable of relatively unrestricted motion

*"free expansion"*

*"free oxygen"*

*"a free electron"*

### (physics is the domain which ... is member of) held with another element, substance or material in chemical or physical union

### (physics is the domain which ... is member of) having properties with uniform values along all axes

### (physics is the domain which ... is member of) having properties with different values along different axes

### (physics is the domain which ... is member of) participating readily in reactions

*"sodium is a reactive metal"*

*"free radicals are very reactive"*

### (physics is the domain which ... is member of) (of e.g. a molecule) made reactive or more reactive

### (physics is the domain which ... is member of) (chemistry) not reacting chemically

### (physics is the domain which ... is member of) extremely fine or thin, as in a spectral line split into two or more components

*"hyperfine structure"*

### (physics is the domain which ... is member of) relating or subject to the special or the general theory of relativity

*"relativistic quantum mechanics"*

*"relativistic increase in mass"*

*"radiation from relativistic particles"*

### (physics is the domain which ... is member of) used as a fixed standard of reference for comparison or measurement

*"a fiducial point"*

### (physics is the domain which ... is member of) of or relating to or constituting the nucleus of an atom

*"nuclear physics"*

*"nuclear fission"*

*"nuclear forces"*

### (physics is the domain which ... is member of) (of physical systems) continuing in its present state of equilibrium unless sufficiently disturbed to pass to a more stable state of equilibrium

### (physics is the domain which ... is member of) of or relating to a quantum or capable of existing in only one of two states

### (physics is the domain which ... is member of) of or relating to dynamics

### (physics is the domain which ... is member of) of or relating to hydrodynamics

### (physics is the domain which ... is member of) of or relating to aerodynamics

### (physics is the domain which ... is member of) of or relating to rheology

### (physics is the domain which ... is member of) of or pertaining to a meson

*"the radii of the mesic orbits"*

### (physics is the domain which ... is member of) in a reversible manner

*"reversibly convertible"*

## Definition 2: the physical properties, phenomena, and laws of something - [noun denoting cognition]

### Samples where physics or its synonyms are used according to this definition

*he studied the physics of radiation*