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

*Definition 1: a quantity that does not vary - [noun denoting cognition]*

*Synonyms for constant in the sense of this definition*

*(**constant* is a kind of ...) the concept that something has a magnitude and can be represented in mathematical expressions by a constant or a variable

*constant*is a kind of ...) the concept that something has a magnitude and can be represented in mathematical expressions by a constant or a variable

*(... is a kind of **constant* ) a constant in the equation of a curve that can be varied to yield a family of similar curves

*constant*) a constant in the equation of a curve that can be varied to yield a family of similar curves

*Definition 2: a number representing a quantity assumed to have a fixed value in a specified mathematical context - [noun denoting quantity]*

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

*the velocity of light is a constant*

*(**constant* is a kind of ...) a concept of quantity involving zero and units

*constant*is a kind of ...) a concept of quantity involving zero and units

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*"every number has a unique position in the sequence"*### (... is a kind of *constant* ) the constant value of the ratio of two proportional quantities x and y; usually written y = kx, where k is the factor of proportionality

### (... is a kind of *constant* ) the charge on an ion is equal to a constant charge e multiplied by an integer from 1 to 15

### (... is a kind of *constant* ) (cosmology) the ratio of the speed of recession of a galaxy (due to the expansion of the universe) to its distance from the observer; the Hubble constant is not actually a constant, but is regarded as measuring the expansion rate today

### (... is a kind of *constant* ) (physics) the universal constant relating force to mass and distance in Newton's law of gravitation

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

### (... is a kind of *constant* ) (chemistry) the ratio of concentrations when equilibrium is reached in a reversible reaction (when the rate of the forward reaction equals the rate of the reverse reaction)

### (... is a kind of *constant* ) an arbitrary constant in the equations of general relativity theory

### (... is a kind of *constant* ) a constant number that serves as a measure of some property or characteristic

### (... is a kind of *constant* ) constant used in the calculation of the ideal gas constant

### (... is a kind of *constant* ) the number of molecules in a mole of a substance (approximately 602,250,000,000,000,000,000,000)

### (... is a kind of *constant* ) the speed at which light travels in a vacuum; the constancy and universality of the speed of light is recognized by defining it to be exactly 299,792,458 meters per second

*Definition 3: steadfast in purpose or devotion or affection - [adjective denoting all]*

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

*a man constant in adherence to his ideals**a constant lover**constant as the northern star*

*(**constant* is similar to ...) constant and unchanging

*constant*is similar to ...) constant and unchanging

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### (... are attributes of

*"the immutable laws of nature"*### (*constant* is similar to ...) firm and dependable especially in loyalty

*"a steadfast ally"**"a staunch defender of free speech"**"unswerving devotion"**"unswerving allegiance"*### (*constant* is similar to ...) unceasing

*"unfailing loyalty"**"unfailing good spirits"**"unflagging courtesy"*### (means also ...) not changeable or subject to change

*"a fixed and unchangeable part of the germ plasm"**"the unchangeable seasons"**"one of the unchangeable facts of life"*### (means also ...) steadfast in affection or allegiance

*"years of faithful service"**"faithful employees"**"we do not doubt that England has a faithful patriot in the Lord Chancellor"*### (means also ...) resistant to change of position or condition

*"a stable ladder"**"a stable peace"**"a stable relationship"**"stable prices"*### (means also ...) not liable to or capable of change

*"an invariable temperature"**"an invariable rule"**"his invariable courtesy"*### (... are attributes of *constant*) the quality of being enduring and free from change or variation

*"early mariners relied on the constancy of the trade winds"**Definition 4: uninterrupted in time and indefinitely long continuing - [adjective satellite denoting all]*

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

*the ceaseless thunder of surf**in constant pain**night and day we live with the incessant noise of the city**the never-ending search for happiness**the perpetual struggle to maintain standards in a democracy**man's unceasing warfare with drought and isolation**unremitting demands of hunger*

*Synonyms for constant in the sense of this definition*

*(**constant* is similar to ...) continuing in time or space without interruption

*constant*is similar to ...) continuing in time or space without interruption

*"a continuous rearrangement of electrons in the solar atoms results in the emission of light"**"a continuous bout of illness lasting six months"**"lived in continuous fear"**"a continuous row of warehouses"**"a continuous line has no gaps or breaks in it"**"moving midweek holidays to the nearest Monday or Friday allows uninterrupted work weeks"**Definition 5: unvarying in nature - [adjective satellite denoting all]*

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

*maintained a constant temperature**principles of unvarying validity*

*Synonyms for constant in the sense of this definition*

*(**constant* is similar to ...) not liable to or capable of change

*constant*is similar to ...) not liable to or capable of change

*"an invariable temperature"**"an invariable rule"**"his invariable courtesy"*

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