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semimetal

noun

semi·​met·​al ˌse-mē-ˈme-tᵊl How to pronounce semimetal (audio)
ˌse-ˌmī-,
-mi-
: an element (such as arsenic) possessing metallic properties in an inferior degree and not malleable
semimetallic
ˌse-mē-mə-ˈta-lik How to pronounce semimetal (audio)
ˌse-ˌmī-
-mi-
adjective

Example Sentences

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

Word History

First Known Use

1661, in the meaning defined above

Time Traveler
The first known use of semimetal was in 1661

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