ilmenite

[ il-muh-nahyt ]

/ ˈɪl məˌnaɪt /

noun

a very common black mineral, iron titanate, FeTiO3, occurring in crystals but more commonly massive.

Origin of ilmenite

1820–30; after the Ilmen Mountains (Russian Ilʾménskie góry) in the southern Urals, where it was first identified; see -ite¹

Words nearby ilmenite

Illyria, Illyrian, Illyricum, Ilmarinen, Ilmen, ilmenite, ILO, Ilocano, Iloilo, Ilokano, Ilorin

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for ilmenite

The principal titanium minerals are rutile (titanium oxide) and ilmenite (iron titanate).
The Economic Aspect of Geology|C. K. Leith
Rutile and ilmenite both have high specific gravity and are little affected by weathering.
The Economic Aspect of Geology|C. K. Leith
Ilmenite has sometimes been mistaken in the South African mines for carbonado.
Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 3|Various
Among the accessory minerals may be mentioned apatite, magnetite, ilmenite, picotite and garnet.
Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 4|Various

British Dictionary definitions for ilmenite

ilmenite

/ (ˈɪlmɪˌnaɪt) /

noun

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: FeTiO 3 . Crystal structure: hexagonal (rhombohedral)

Word Origin for ilmenite

C19: from Ilmen, mountain range in the southern Urals, Russia, + -ite 1

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for ilmenite

ilmenite

[ ĭl′mə-nīt′ ]

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.

单词	ilmenite
释义	ilmenite [ il-muh-nahyt ] / ˈɪl məˌnaɪt / noun a very common black mineral, iron titanate, FeTiO3, occurring in crystals but more commonly massive. Origin of ilmenite 1820–30; after the Ilmen Mountains (Russian Ilʾménskie góry) in the southern Urals, where it was first identified; see -ite¹ Words nearby ilmenite Illyria, Illyrian, Illyricum, Ilmarinen, Ilmen, ilmenite, ILO, Ilocano, Iloilo, Ilokano, Ilorin Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for ilmenite The principal titanium minerals are rutile (titanium oxide) and ilmenite (iron titanate). The Economic Aspect of Geology\|C. K. Leith Rutile and ilmenite both have high specific gravity and are little affected by weathering. The Economic Aspect of Geology\|C. K. Leith Ilmenite has sometimes been mistaken in the South African mines for carbonado. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 3\|Various Among the accessory minerals may be mentioned apatite, magnetite, ilmenite, picotite and garnet. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 4\|Various British Dictionary definitions for ilmenite ilmenite / (ˈɪlmɪˌnaɪt) / noun 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: FeTiO 3 . Crystal structure: hexagonal (rhombohedral) Word Origin for ilmenite C19: from Ilmen, mountain range in the southern Urals, Russia, + -ite 1 Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for ilmenite ilmenite [ ĭl′mə-nīt′ ] 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. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
随便看	underwater underway underwear underweight underwent underwhelm underwhelming underwing underwire underwithhold underwood underwool underwork underworld under wraps underwrite underwriter undescended undescended testicle undescended testis undeserved undesigned undesigning undesirable undesirable discharge