at·​om·​ism | \ ˈa-tə-ˌmi-zəm How to pronounce atomism (audio) \

Definition of atomism

1 : a doctrine that the physical or physical and mental universe is composed of simple indivisible minute particles

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Other Words from atomism

atomist \ ˈa-​tə-​mist How to pronounce atomist (audio) \ noun

Examples of atomism in a Sentence

Recent Examples on the Web Moreover, as Alexis de Tocqueville saw, that daily participation in local governance can help ward off the tendencies toward atomism and technocracy to which modern democracy is susceptible. Fred Bauer, National Review, "What the Nationalism vs. Liberalism Debate Misses," 28 Aug. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'atomism.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of atomism

1678, in the meaning defined at sense 1

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Time Traveler for atomism

Time Traveler

The first known use of atomism was in 1678

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Cite this Entry

“Atomism.” Dictionary, Merriam-Webster, Accessed 21 Oct. 2020.

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More Definitions for atomism


at·​om·​ism | \ ˈat-ə-ˌmiz-əm How to pronounce atomism (audio) \

Medical Definition of atomism

1 : a doctrine that the universe is composed of simple indivisible minute particles
2 : a psychological doctrine that perceptions, thoughts, and all mental processes are built up by the combination of simple elements

More from Merriam-Webster on atomism

Britannica English: Translation of atomism for Arabic Speakers Encyclopedia article about atomism

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