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.
a soluble poisonous substance existing in red and yellow powdered forms: used as pigments. Formula: HgO Systematic name mercury(II) oxide
noun, Chemistry. 1. a crystalline, water-insoluble, poisonous compound, HgS, occurring as a coarse, black powder (black mercuric sulfide) or as a fine, bright-scarlet powder (red mercuric sulfide) used chiefly as a pigment and as a source of the free metal.
- Mercuric sulphide
noun 1. a compound of mercury, usually existing as a black solid (metacinnabarite) or a red solid (cinnabar or vermilion), which is used as a pigment. Formula: HgS Systematic name mercury(II) sulphide
[mer-kyoo r-uh-fahy] /mərˈkyʊər əˌfaɪ/ verb (used with object), mercurified, mercurifying. 1. to mix with ; amalgamate.
noun 1. (Mercurius) died a.d. 535, Italian ecclesiastic: pope 533–535. noun 1. called the Good. 1319–64, king of France (1350–64): captured by the English at Poitiers (1356) and forced to sign treaties (1360) surrendering SW France to England 2. called the Perfect. 1455–95, king of Portugal (1481–95): sponsored Portuguese expansion in the New World and […]