antimony
[ an-tuh-moh-nee ]
/ ˈæn təˌmoʊ ni /
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noun Chemistry.
a brittle, lustrous, white metallic element occurring in nature free or combined, used chiefly in alloys and in compounds in medicine. Symbol: Sb; atomic number: 51; atomic weight: 121.75.
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Origin of antimony
1375–1425; late Middle English antimonie<Medieval Latin antimōnium, perhaps <dialectal Arabic uthmud
OTHER WORDS FROM antimony
an·ti·mo·ni·al, adjective, nounWords nearby antimony
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British Dictionary definitions for antimony
antimony
/ (ˈæntɪmənɪ) /
noun
a toxic metallic element that exists in two allotropic forms and occurs principally in stibnite. The stable form is a brittle silvery-white crystalline metal that is added to alloys to increase their strength and hardness and is used in semiconductors. Symbol: Sb; atomic no: 51; atomic wt: 121.757; valency: 0, –3, +3, or +5; relative density: 6.691; melting pt: 630.76°C; boiling pt: 1587°C
Word Origin for antimony
C15: from Medieval Latin antimōnium, of uncertain origin
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Medical definitions for antimony
antimony
[ ăn′tə-mō′nē ]
n. Symbol Sb
A toxic metallic element, compounds of which are used as anthelmintics, especially in the treatment of schistosomiasis. Atomic number 51.
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Scientific definitions for antimony
antimony
[ ăn′tə-mō′nē ]
Sb
A metalloid element having many forms, the most common of which is a hard, very brittle, shiny, blue-white crystal. It is used in a wide variety of alloys, especially with lead in car batteries, and in the manufacture of flameproofing compounds. Atomic number 51; atomic weight 121.76; melting point 630.5°C (1,167°F); boiling point 1,380°C (2,516°F); specific gravity 6.691; valence 3, 5. See Periodic Table.
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