selenious acid

noun Chemistry.

a colorless, crystalline, water-soluble, poisonous powder, H2SeO3, used chiefly as a reagent.

Origin of selenious acid

First recorded in 1825–35

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British Dictionary definitions for selenious acid

selenious acid

noun

a white soluble crystalline strong dibasic acid analogous to sulphurous acid. Formula: H 2 SeO 3

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