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molecule: Meaning and Definition of
mol•e•cule
Pronunciation: (mol'u-kyl"), [key]
— n.
- the smallest physical unit of an element or compound, consisting of one or more like atoms in an element and two or more different atoms in a compound.
- a quantity of a substance, the weight of which, measured in any chosen unit, is numerically equal to the molecular weight; gram molecule.
- any very small particle.
See also:
- molecule (Thesaurus)
