钛铁矿; 钛铁矿
Illy \Il"ly\, adv. [A word not fully approved, but sometimes used for the adverb ill.] Ilmenite \Il"men*ite\, n. [So called from Ilmen, a branch of the Ural Mountains.] (Min.) Titanic iron. See {Menaccanite}.
ilmenite n : a weakly magnetic black mineral found in metamorphic and plutonic rocks; an iron titanium oxide in crystalline form; a source of titanium