D defs.my
Entry 1 sense Webster, 1913

Menaccanite

· Me·nac·can·ite · IPA
01 n. An iron-black or steel-gray mineral, consisting chiefly of the oxides of iron and titanium. It is commonly massive, but occurs also in rhom…
  1. 1.
    An iron-black or steel-gray mineral, consisting chiefly of the oxides of iron and titanium. It is commonly massive, but occurs also in rhombohedral crystals. Called also titanic iron ore, and ilmenite.(Min.) Also: titanic iron ore, ilmenite