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/ˈæt əˌmɪz əm/
the theory that minute, discrete, finite, and indivisible elements are the ultimate constituents of all matter.
a method or theory that reduces all psychological phenomena to simple elements.
Based on the Random House Dictionary, © Random House, Inc. 2016.
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British Dictionary definitions for
an ancient philosophical theory, developed by Democritus and expounded by Lucretius, that the ultimate constituents of the universe are atoms
any of a number of theories that hold that some objects or phenomena can be explained as constructed out of a small number of distinct types of simple indivisible entities
any theory that holds that an understanding of the parts is logically prior to an understanding of the whole
) the theory that experiences and mental states are composed of elementary units
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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