Red-mercuric-oxide
noun
1.
See under mercuric oxide.
mercuric oxide
noun, Chemistry.
1.
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.
mercuric oxide
noun
1.
a soluble poisonous substance existing in red and yellow powdered forms: used as pigments. Formula: HgO Systematic name mercury(II) oxide
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