il·men·ite ( l m -n t )n. A lustrous black to brownish titanium ore, essentially FeTiO3. [After the Ilmen Mountains, a range of the southern Ural Mountains.] |
ilmenite [ˈɪlmɪˌnaɪt]
n
(Earth Sciences / Minerals) a black mineral found in igneous rocks as layered deposits and in veins. It is the chief source of titanium. Composition: iron titanium oxide. Formula: FeTiO3. Crystal structure: hexagonal (rhombohedral)
[from Ilmen, mountain range in the southern Urals, Russia, + -ite1]
| ilmenite (lm-nt) A lustrous black to brownish rhombohedral mineral that is an ore of titanium. Ilmenite occurs in igneous rocks and is one of the principal dark minerals observed in beach sands. Chemical formula: FeTiO3. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | ilmenite - a weakly magnetic black mineral found in metamorphic and plutonic rocks; an iron titanium oxide in crystalline form; a source of titanium atomic number 22, Ti, titanium - a light strong grey lustrous corrosion-resistant metallic element used in strong lightweight alloys (as for airplane parts); the main sources are rutile and ilmenite mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition |
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