单词：manganous
音标：['mæŋ^әnәs] ；
a. [化](亚)锰的, 二价锰的
a. Of, pertaining to, designating, those compounds of
manganese in which the element has a lower valence as contrasted with
manganic compounds; as, manganous oxide.
manganese in which the element has a lower valence as contrasted with
manganic compounds; as, manganous oxide.