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2 definitions found

From: Webster's Revised Unabridged Dictionary (1913)

 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.
 

From: Webster's Revised Unabridged Dictionary (1913)

 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.