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atomism

American  
[at-uh-miz-uhm] / ˈæt əˌmɪz əm /

noun

  1. Also called atomic theoryPhilosophy. the theory that minute, discrete, finite, and indivisible elements are the ultimate constituents of all matter.

  2. Psychology. a method or theory that reduces all psychological phenomena to simple elements.


atomism British  
/ ˈætəˌmɪzəm /

noun

  1. an ancient philosophical theory, developed by Democritus and expounded by Lucretius, that the ultimate constituents of the universe are atoms See atom

    1. 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

    2. any theory that holds that an understanding of the parts is logically prior to an understanding of the whole Compare holism

  2. psychol 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

Other Word Forms

  • atomist noun
  • atomistic adjective
  • atomistical adjective
  • atomistically adverb

Etymology

Origin of atomism

First recorded in 1670–80

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

She begins in the 5th century B.C., when Democritus formulated his atomism, locating the ultimate nature of things in matter rather than divinity.

From Washington Post

At the same time, he wondered whether his own logic was faulty, since he based his arguments on geometry, whose infinitely divisible lines automatically reject atomism.

From Literature

So classical atomism, as revised and reconstructed in the seventeenth century by Gassendi, Descartes and others, explained nature in terms of interacting particles.

From Literature

The “seeds of disease” were almost certainly influenced by Democritean atomism and took inspiration from the Roman poet Lucretius, whose work had been rediscovered in the 15th century.

From Scientific American

But such a system, critics have long said, breeds not autonomy but atomism, not fairness but inequality, not fulfillment but emptiness, not culture but anarchy.

From Washington Post