molecule
noun
(physics and chemistry) the simplest structural unit of an element or compound
(nontechnical usage) a tiny piece of anything
Source: WordNet 3.1, Princeton University
Molecule meaning
What does “molecule” mean? Definitions, examples, synonyms and opposites.
“molecule” is a noun with 2 meanings. Its most common meaning is: (physics and chemistry) the simplest structural unit of an element or compound.