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A colorless flammable poisonous gas, SbH3, having a disagreeable odor and used in the production of semiconductors and sometimes as a fumigant.
[From Middle English stibium, antimony, from Latin, variant of stimi, from Greek stibi, stimmi, of Coptic origin; akin to Egyptian sṭm.]
1. (Elements & Compounds) a colourless slightly soluble poisonous gas with an offensive odour: made by the action of hydrochloric acid on an alloy of antimony and zinc. Formula: SbH3
2. (Elements & Compounds) any one of a class of stibine derivatives in which one or more hydrogen atoms have been replaced by organic groups
[C19: from Latin stibium + -ine2]
stib•ine(ˈstɪb in, -ɪn)
a colorless, slightly water-soluble, poisonous gas, SbH3.