Antimony

//ˈæn.tɪˌmoʊ.ni// noun

noun ·Moderate ·College level

Definitions

Noun
  1. 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. countable, uncountable

    "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. 2
    a metallic element having four allotropic forms; used in a wide variety of alloys; found in stibnite wordnet
  3. 3
    The alloy stibnite. countable, uncountable

    "In quality synergistic additives in a composition use oxide antimonies."

Synonyms

All synonyms
stibiumalabasterarsenicasphaltatomic number 51ddt

Example

More examples

"Mineral resources include silver, gold, uranium, antimony, tungsten, and coal."

Etymology

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

Related phrases

antimony blendeantimony bloomantimony glanceantimony hydrideantimony ocherantimony ochreantimony oxideantimony oxysulfideantimony pentachlorideantimony pentafluorideantimony pentasulfideantimony pentasulphide

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.