Atomism definitions

Webster's 1828 Dictionary

AT'OMISM, n. The doctrine of atoms.

WordNet (r) 3.0 (2005)

n
1: (psychology) a theory that reduces all mental phenomena to simple elements (sensations and feelings) that form complex ideas by association
2: (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" [syn: atomism, atomic theory, atomist theory, atomistic theory] [ant: holism, holistic theory]

Merriam Webster's

noun Date: 1678 1. a doctrine that the physical or physical and mental universe is composed of simple indivisible minute particles 2. individualism 1 • atomist noun

Oxford Reference Dictionary

n. Philos. 1 the theory that all matter consists of tiny individual particles. 2 Psychol. the theory that mental states are made up of elementary units. Derivatives: atomist n. atomistic adj.

Webster's 1913 Dictionary

Atomism At"om*ism, n. [Cf. F. atomisme.] The doctrine of atoms. See Atomic philosophy, under Atomic.

Moby Thesaurus

Aristotelianism, Berkeleianism, Bohr theory, Bradleianism, Cynicism, Cyrenaic hedonism, Cyrenaicism, Dirac theory, Epicureanism, Fichteanism, Hegelianism, Heideggerianism, Heracliteanism, Herbartianism, Humism, Kantianism, Leibnizianism, Marxism, Mimamsa, Neo-Hegelianism, Neo-Pythagoreanism, Neoplatonism, Peripateticism, Platonism, Purva Mimamsa, Pyrrhonism, Pythagoreanism, Sankhya, Schellingism, Scotism, Socratism, Sophism, Sophistry, Spencerianism, Stoicism, Thomism, acosmism, agnosticism, animalism, animatism, animism, behaviorism, commonsense realism, correspondence principle, cosmotheism, criticism, deism, dialectical materialism, dualism, earthliness, eclecticism, egoism, empiricism, epiphenomenalism, ethics, eudaemonism, existentialism, hedonism, historical materialism, humanism, hylomorphism, hylotheism, hylozoism, idealism, immaterialism, individualism, intuitionism, law of parity, materialism, mechanism, mentalism, monism, mysticism, natural realism, naturalism, neocriticism, new realism, nominalism, octet theory, ontologism, ontology, optimism, organic mechanism, organicism, panpsychism, pantheism, pessimism, physicalism, physicism, pluralism, positive philosophy, positivism, pragmaticism, pragmatism, psychism, psychological hedonism, quantum theory, rationalism, realism, representative realism, secular humanism, secularism, semiotic, semiotics, sensationalism, skepticism, substantialism, syncretism, temporality, theism, transcendentalism, utilitarianism, voluntarism, worldliness