Atom — synonyms, definition

1. atom (Noun)

bit corpuscle dot electron fraction fragment hint iota kernel mite molecule morsel mote neutron nucleus ounce particle proton speck trace • • •

atom (Noun) — (physics and chemistry) the smallest component of an element having the chemical properties of the element.

atom (Noun) — (nontechnical usage) a tiny piece of anything.

material stuff substance carbon atom chylomicron flyspeck free radical grain grinding hydrogen atom identification particle isotope monad radical elementary particle fundamental particle nucleus chemical element element molecule natural philosophy physics