semi·​met·​al | \ ˌse-mē-ˈme-tᵊl How to pronounce semimetal (audio) , ˌse-ˌmī-, -mi- \

Definition of semimetal

: an element (such as arsenic) possessing metallic properties in an inferior degree and not malleable

Other Words from semimetal

semimetallic \ ˌse-​mē-​mə-​ˈta-​lik How to pronounce semimetal (audio) , ˌse-​ˌmī-​ , -​mi-​ \ adjective

Examples of semimetal in a Sentence

Recent Examples on the Web Researchers have since made monolayers of metals, semimetals, insulators and more, but magnetism was the final holdout. Sylvia Morrow, Discover Magazine, 1 Feb. 2018 Now physicists may finally observed this phenomenon, mixed axial-gravitational anomaly, in a class of exotic materials known as Weyl semimetals. Kenneth Chang, New York Times, 19 July 2017

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

First Known Use of semimetal

1661, in the meaning defined above

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The first known use of semimetal was in 1661

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Cite this Entry

“Semimetal.” Dictionary, Merriam-Webster, Accessed 4 Dec. 2021.

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