Source : Webster's Revised Unabridged Dictionary (1913)

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}.

Source : WordNet®

ilmenite
     n : a weakly magnetic black mineral found in metamorphic and
         plutonic rocks; an iron titanium oxide in crystalline
         form; a source of titanium