Source : Webster's Revised Unabridged Dictionary (1913)

Menaccanite \Me*nac"can*ite\, n. [From Menaccan, in Cornwall,
   where it was first found.] (Min.)
   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}.