manganite Meaning, Definition & Usage

  1. noun a black mineral consisting of basic manganese oxide; a source of manganese

WordNet


Man"ga*nite noun
Definitions
  1. (Min.) One of the oxides of manganese; -- called also gray manganese ore. It occurs in brilliant steel-gray or iron-black crystals, also massive.
  2. (Chem.) A compound of manganese dioxide with a metallic oxide; so called as though derived from the hypothetical manganous acid.

Webster 1913