atomic theory, n.
(chemistry) any theory in which all matter is composed of tiny discrete finite indivisible indestructible particles
<noun.cognition>
atomic theory atomism atomist theory atomistic theory
sample sentences
"the ancient Greek philosophers Democritus and Epicurus held atomic theories of the universe"
a theory of the structure of the atom
<noun.cognition>
atomic theory
semantic pointers
hypernym
part holonym
hyponym