Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun molecule

2 senses of molecule

Sense 1
molecule -- ((physics and chemistry) the simplest structural unit of an element or compound)
       => unit, building block -- (a single undivided natural thing occurring in the composition of something else; "units of nucleic acids")

Sense 2
atom, molecule, particle, corpuscle, mote, speck -- ((nontechnical usage) a tiny piece of anything)
       => material, stuff -- (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")