Me·nac·can·ite n. 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.
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ti·tan·ic a. Chem. Of or pertaining to titanium; derived from, or containing, titanium; specifically, designating those compounds of titanium in which it has a higher valence as contrasted with the titanous compounds.
titanic acid Chem., a white amorphous powder, Ti(OH)4, obtained by decomposing certain titanates; -- called also normal titanic acid. By extension, any one of a series of derived acids, called also metatitanic acid, polytitanic acid, etc.
Titanic iron ore. Min. See Menaccanite.
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