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antimony

From Wiktionary, the free dictionary

English

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Chemical element (edit)
Sb
Atomic number 51
antimony
Classification data
Period 5
Group 15
Block p-block
Class metalloid
Previous: ← tin (Sn)
Next: tellurium (Te) →
English Wikipedia article on Antimony
Sample of antimony.

Etymology

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

    Pronunciation

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    Noun

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    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], New York, N.Y.: The New York Times Company, →ISSN, →OCLC, archived from the original on 17 January 2026:
        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.

    Usage notes

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

    Derived terms

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    Translations

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    Translations to be checked

    See also

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    Further reading

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    Anagrams

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