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Wordnet 3.0

NOUN (1)

1. (philosophy) the philosophical theory that matter is the only reality;
[syn: materialism, physicalism]


The Collaborative International Dictionary of English v.0.48:

physicalism \physicalism\ n. (Philosophy) The doctrine that matter is the only reality. Syn: materialism. [WordNet 1.5]
WordNet (r) 3.0 (2006):

physicalism n 1: (philosophy) the philosophical theory that matter is the only reality [syn: materialism, physicalism]