molecule

nouns

(physics and chemistry) the simplest structural unit of an element or compound
molecule
is derived from
molecular
domain category
the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
chemical science, chemistry
domain category
the science of matter and energy and their interactions
"his favorite subject was physics"
natural philosophy, physics
is a type of (narrower)
a single undivided natural thing occurring in the composition of something else
"units of nucleic acids"
building block, unit
(nontechnical usage) a tiny piece of anything
atom, corpuscle, molecule, mote, particle, speck
is derived from
molecular