Synonyms for atomism

Noun

1. atomism, scientific theory

usage: (psychology) a theory that reduces all mental phenomena to simple elements (sensations and feelings) that form complex ideas by association

2. atomism, atomic theory, atomist theory, atomistic theory, theory

usage: (chemistry) any theory in which all matter is composed of tiny discrete finite indivisible indestructible particles; "the ancient Greek philosophers Democritus and Epicurus held atomic theories of the universe"