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Definitions and Synonyms of atom | Another word for atom | What is atom?

Definition 1: (physics and chemistry) the smallest component of an element having the chemical properties of the element - [noun denoting substance]

(atom is a kind of ...) the real physical matter of which a person or thing consists

"DNA is the substance of our genes"

(... is a kind of atom ) an atom of hydrogen

(... is a kind of atom ) an atom of carbon

(... is a kind of atom ) (chemistry) an atom having a valence of one

(... is a kind of atom ) one of two or more atoms with the same atomic number but with different numbers of neutrons

(... is a kind of atom ) an atom or group of atoms with at least one unpaired electron; in the body it is usually an oxygen molecule that has lost an electron and will stabilize itself by stealing an electron from a nearby molecule

"in the body free radicals are high-energy particles that ricochet wildly and damage cells"

(atom is a part of ...) the positively charged dense center of an atom

(atom is a part of ...) (physics) a particle that is less complex than an atom; regarded as constituents of all matter

(... is part of atom) any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter

(... is part of atom) (physics and chemistry) the simplest structural unit of an element or compound

(atom belongs to category ...) the science of matter and energy and their interactions

"his favorite subject was physics"

(atom belongs to category ...) the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions

Definition 2: (nontechnical usage) a tiny piece of anything - [noun denoting substance]

Synonyms for atom in the sense of this definition

(atom is a kind of ...) the tangible substance that goes into the makeup of a physical object

"coal is a hard black material" "wheat is the stuff they use to make bread"

(... is a kind of atom ) a relatively small granular particle of a substance

"a grain of sand" "a grain of sugar"

(... is a kind of atom ) material resulting from the process of grinding

"vegetable grindings clogged the drain"

(... is a kind of atom ) a microscopic particle of triglycerides produced in the intestines during digestion; in the bloodstream they release their fatty acids into the blood

(... is a kind of atom ) a tiny dark speck made by the excrement of a fly

(... is a kind of atom ) a tiny particle of material that can be added to a product to indicate the source of manufacture

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