an·​ti·​mo·​ny | \ ˈan-tə-ˌmō-nē How to pronounce antimony (audio) \

Definition of antimony

1 : stibnite
2 : a trivalent and pentavalent metalloid element with atomic number 51 that commonly occurs in a brittle, metallic, silvery white crystalline form and that is used especially in alloys, semiconductors, and flame-retardant substances — see Chemical Elements Table

Examples of antimony in a Sentence

Recent Examples on the Web So, why is a secure and plentiful supply of antimony important to Ambri? David Blackmon, Forbes, 2 Sep. 2021 The metals discovered include antimony, cadmium, chromium and nickel. From Usa Today Network And Wire Reports, USA TODAY, 26 July 2021 Appeals and litigation are currently threatening and delaying U.S. critical-minerals mining projects for lithium, copper, antimony and cobalt. WSJ, 13 June 2021 The process for obtaining antimony, a rare earth mineral used in the production of solar panels, wind and hydro turbines, semi-conductors and batteries, is equally, if not more impactful. David Blackmon, Forbes, 26 Apr. 2021 Antimony today is mostly obtained from the mining of stibnite, an alloy made up of antimony and Sulphur, and the vast majority of stibnite mining currently takes place in China. David Blackmon, Forbes, 26 Apr. 2021 While producing 66,000 tons a year of battery-grade lithium carbonate, the mine may cause groundwater contamination with metals including antimony and arsenic, according to federal documents. New York Times, 6 May 2021 According to Ross Pomeroy of RealClearScience, artisans made Alexandrian glass—the material of choice for high-class chalices—by adding antimony oxide during the glassmaking process. Alex Fox, Smithsonian Magazine, 5 Aug. 2020 In 2016 scientists found high antimony levels in bottled water sold in Mexico. Sarah Gibbens, National Geographic, 19 July 2019

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

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First Known Use of antimony

15th century, in the meaning defined at sense 1

History and Etymology for antimony

Middle English antimonie, from Medieval Latin antimonium

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Time Traveler for antimony

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The first known use of antimony was in the 15th century

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Dictionary Entries Near antimony



antimony blende

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Last Updated

13 Oct 2021

Cite this Entry

“Antimony.” Dictionary, Merriam-Webster, Accessed 29 Nov. 2021.

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More Definitions for antimony



English Language Learners Definition of antimony

: a silvery-white metal that breaks easily and that is used especially in alloys


an·​ti·​mo·​ny | \ ˈan-tə-ˌmō-nē How to pronounce antimony (audio) \

Kids Definition of antimony

: a silvery white metallic chemical element


an·​ti·​mo·​ny | \ ˈant-ə-ˌmō-nē How to pronounce antimony (audio) \
plural antimonies

Medical Definition of antimony

: a trivalent and pentavalent metalloid element that is commonly metallic silvery white, crystalline, and brittle and is used especially in alloys and semiconductors and in medicine as a constituent of various antiprotozoal agents (as tartar emetic) symbol Sb — see Chemical Elements Table

More from Merriam-Webster on antimony

Nglish: Translation of antimony for Spanish Speakers

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


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