atomistic theory vs atomist theory

atomistic theory and atomist theory both are nouns.

Word	Noun	Adjective	Verb	Adverb
atomistic theory	Yes	No	No	No
atomist theory	Yes	No	No	No

As nouns, atomistic theory and atomist theory are synonyms defined as:

atomistic theory and atomist theory: (chemistry) any theory in which all matter is composed of tiny discrete finite indivisible indestructible particles

Other synonyms of atomistic theory include atomic theory, atomism.

atomistic theory (noun)	atomist theory (noun)
(chemistry) any theory in which all matter is composed of tiny discrete finite indivisible indestructible particles	(chemistry) any theory in which all matter is composed of tiny discrete finite indivisible indestructible particles