Atomism

[ætәumizm]

Definition

(noun.) (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'.

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

Inputed by Cleo--From WordNet

Definition

(n.) The doctrine of atoms. See Atomic philosophy, under Atomic.

Editor: Winthrop