mercuric oxide
noun Chemistry.
a slightly crystalline, water-soluble, poisonous compound, HgO, occurring as a coarse, orange-red powder (red mercuric oxide) or as a fine, orange-yellow powder (yellow mercuric oxide): used chiefly as a pigment in paints and as an antiseptic in pharmaceuticals.
Nearby words
mercurial barometer, mercurialism, mercurialize, mercuric, mercuric chloride, mercuric oxide, mercuric sulfide, mercuric sulphide, mercurify, mercurize, mercuro-
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British Dictionary definitions for mercuric oxide
mercuric oxide
noun
a soluble poisonous substance existing in red and yellow powdered forms: used as pigments. Formula: HgOSystematic name: mercury(II) oxide
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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