n. A weakly magnetic dark gray mineral found in metamorphic and igneous rocks; it is a mixed oxide of iron and titanium, FeTiO3
the GNU version of the Collaborative International Dictionary of English
n. Titanic iron. See menaccanite.
The Century Dictionary and Cyclopedia
n. A mineral of a black color and submetallic luster, consisting of the oxids of iron and titanium, and isomorphous with hematite.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a weakly magnetic black mineral found in metamorphic and plutonic rocks; an iron titanium oxide in crystalline form; a source of titanium
Word Usage
"The proposed titanium plant in Orissa state's Ganjan district will initially produce titanium slag, after processing ilmenite from a sand mine owned by India Rare Earths."