mercurous oxide

mercurous oxide

[mər′kyu̇r·əs ′äk‚sīd]
(inorganic chemistry)
Hg2O A poisonous black powder; insoluble in water, soluble in acids; decomposes at 100°C.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.