mi·​cro·​world | \ ˈmī-krō-ˌwər(-ə)ld How to pronounce microworld (audio) \

Definition of microworld

: a small universe specifically : the natural universe observed at the microscopic or submicroscopic level

Examples of microworld in a Sentence

Recent Examples on the Web

Logic demands that there does not exist an unknown, deterministic layer in the microworld. Lee Phillips, Ars Technica, "A brief history of quantum alternatives," 28 July 2017

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

First Known Use of microworld

1923, in the meaning defined above

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The first known use of microworld was in 1923

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