请输入您要查询的英文单词:

 

单词 chromite
释义

chromite

enUK

chro·mite

C0338300 (krō′mīt′)n. A widely distributed black to brownish-black chromium ore, FeCr2O4.

chromite

(ˈkrəʊmaɪt) n1. (Minerals) a brownish-black mineral consisting of a ferrous chromic oxide in cubic crystalline form, occurring principally in basic igneous rocks: the only commercial source of chromium and its compounds. Formula: FeCr2O42. (Elements & Compounds) a salt of chromous acid

chro•mite

(ˈkroʊ maɪt)

n. 1. a salt of chromium in the bivalent state. 2. a black mineral, ferrous chromate, FeCr2O4, the only ore of chromium. [1830–40]
Thesaurus
Noun1.chromite - a brownish-black mineral; the major source of chromiumatomic number 24, chromium, Cr - a hard brittle multivalent metallic element; resistant to corrosion and tarnishingmineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition

chromite

enUK

chromite

(krō`mīt), dark brown to black mineral. It is an iron-chromium oxide, FeCr2O4, with traces of magnesium and aluminum. Its crystals are octahedral, but rare; it usually occurs as irregular, granular masses in association with igneous rocks, including ophiolites, which are segments of oceanic crust exposed on land by tectonic processes usually associated with plate convergence (see plate tectonicsplate tectonics,
theory that unifies many of the features and characteristics of continental drift and seafloor spreading into a coherent model and has revolutionized geologists' understanding of continents, ocean basins, mountains, and earth history.
..... Click the link for more information.
). Chromitite is an igneous rock composed chiefly of the mineral chromite. The only commercial source of chromium and its compounds, chromite is used in the manufacture of refractory materials. Principal countries producing chromite are South Africa, India, Kazakhstan, and Zimbabwe.

chromite

[′krō‚mīt] (mineralogy) FeCr2O4 A mineral of the spinel group; crystals and pure form are rare, and it usually is massive; the only important ore mineral of chromium. Also known as chrome iron ore.

chromite

1. a brownish-black mineral consisting of a ferrous chromic oxide in cubic crystalline form, occurring principally in basic igneous rocks: the only commercial source of chromium and its compounds. Formula: FeCr2O4 2. a salt of chromous acid

chromite

enUK
  • noun

Words related to chromite

noun a brownish-black mineral

Related Words

  • atomic number 24
  • chromium
  • Cr
  • mineral
随便看

 

英语词典包含2567994条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/12/23 14:59:10