mercurous

== English == === Etymology === From mercury + -ous. === Pronunciation === === Adjective === mercurous (not comparable) (chemistry) Pertaining to or derived from mercury. (chemistry) Of a compound, containing mercury with an oxidation number of 1. ==== Synonyms ==== (pertaining to or derived from mercury): mercuric (containing mercury(I)): hydrargyrous ==== Derived terms ==== === See also === mercuric