antimony

From Medieval Latin antimonium , attested in the 11th century; see also the Wikipedia section.

• (UK) IPA^(key): /ˈæn.tɪ.mə.niː/, enPR: ăn'tĭmənē

• Audio (Southern England):

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• (US) IPA^(key): /ˈæn.tɪˌmoʊ.ni/, enPR: ăn'tĭmōnē

• Audio (General American); /ˈæn.tɪˌmoʊ.ni/:

  (file)

• Audio (General American); /ˈæn.tɪ.mə.niː/:

  (file)

antimony (countable and uncountable, plural antimonies)

1. A chemical element (symbol Sb, from Latin stibium) with an atomic number of 51: in its stable allotrope, a lustrous gray and very brittle metal.

   Synonym: stibium

   • 2021 December 27, Jack Healy, Mike Baker, “As Miners Chase Clean-Energy Minerals, Tribes Fear a Repeat of the Past”, in The New York Times‎^[1], →ISSN:

     Deep in the Salmon River Mountains, an Idaho mining company, Perpetua Resources, is proposing a vast open-pit gold mine that would also produce 115 million pounds of antimony — an element that may be critical to manufacturing the high-capacity liquid-metal batteries of the future.

2. The alloy stibnite.

   Synonym: stibium

   • 2005, Al Berlin, Chemical Physics of Pyrolysis, Combustion, and Oxidation, →ISBN, page 21:

     In quality synergistic additives in a composition use oxide antimonies.

• Not to be confused with antinomy (“a contradiction or paradox”).

• antimonium

• ♁ (alchemical symbol)
• allemonite
• kermesite
• leo ruber
• lupus metallorum
• plumbum nigrum
• proteus
• valentinite

• antimony on Wikipedia.Wikipedia
• David Barthelmy (1997–2025) “Antimony”, in Webmineral Mineralogy Database.
• “antimony”, in Mindat.org‎^[2], Hudson Institute of Mineralogy, 2000–2025.

• antinomy