bismuthine

[biz-muh-theen, -thin]

noun Chemistry.

an unstable hydride of bismuth, BiH₃, analogous to arsine and stibine.

any derivative of this compound in which the hydrogen atoms are replaced by one or more organic groups.

Origin:
bismuth + -ine²

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Bismuthine is always a great word to know.

So is alcohol. Does it mean:

a double sulfate analogous to potassium alum, as aluminum ammonium sulfate, with the formula R2SO4?X2(SO4)3?24H2O, where R is alkali metal or ammonium

any of a class of chemical compounds having the general formula ROH, where R represents an alkyl group and ?OH a hydroxyl group

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bismuthine

bis·muth·ine