What is of, pertaining to, or derived from, mercury; containing mercury; -- said of those compounds of mercury in which it is present in its highest proportion. Mercurous chloride. (Chem.) See Calomel called?

mercurous — Of, pertaining to, or derived from, mercury; containing mercury; -- said of those compounds of mercury in which it is present in its highest proportion. Mercurous chloride. (Chem.) See Calomel. (Webster's 1913.)

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