chromium

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Related to Chromium trioxide: chromic acid

chro·mi·um

 (krō′mē-əm)
n. Symbol Cr
A lustrous, hard, steel-gray metallic element, resistant to tarnish and corrosion and found primarily in chromite. It is used in the hardening of steel alloys and the production of stainless steels, in corrosion-resistant decorative platings, and as a pigment in glass. Atomic number 24; atomic weight 51.996; melting point 1,907°C; boiling point 2,671°C; specific gravity 7.15; valence 2, 3, 6. See Periodic Table.

[From French chrome; see chrome.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

chromium

(ˈkrəʊmɪəm)
n
(Elements & Compounds) a hard grey metallic element that takes a high polish, occurring principally in chromite: used in steel alloys and electroplating to increase hardness and corrosion-resistance. Symbol: Cr; atomic no: 24; atomic wt: 51.9961; valency: 2, 3, or 6; relative density: 7.18–7.20; melting pt: 1863±20°C; boiling pt: 2672°C
[C19: from New Latin, from French: chrome]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

chro•mi•um

(ˈkroʊ mi əm)

n.
1. a lustrous metallic element used in making alloy steels hard and corrosion-resistant and in plating other metals. Symbol: Cr; at. wt.: 51.996; at. no.: 24; sp. gr.: 7.1.
2. (not in technical use) chrome (def. 2).
[1800–10; Latinization of French chrome]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

chro·mi·um

(krō′mē-əm)
Symbol Cr A hard, shiny, steel-gray metallic element that does not rust or become dull easily. It is used to plate other metals, to harden steel, and to make stainless steel and other alloys. Atomic number 24. See Periodic Table.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.chromium - a hard brittle multivalent metallic elementchromium - a hard brittle multivalent metallic element; resistant to corrosion and tarnishing
metal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
chromite - a brownish-black mineral; the major source of chromium
chrome - another word for chromium when it is used in dyes or pigments
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
كْروميوم
хром
chromchróm
krom
kroom
kromi
krom
króm
króm
クロム
chromas
hroms
crom
chróm
krom
хром
krom
хром

chromium

[ˈkrəʊmɪəm]
A. Ncromo m
B. CPD chromium plating Ncromado m
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

chromium

[ˈkrəʊmiəm] nchrome m chromium platingchromium plating nchromage m
Collins English/French Electronic Resource. © HarperCollins Publishers 2005

chromium

nChrom nt

chromium

:
chromium plate
nChromschicht f
chromium-plated
adjverchromt
chromium plating
nVerchromung f
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

chromium

[ˈkrəʊmɪəm] chrome [krəʊm] ncromo (also chromium plating) → cromatura
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

chromium

(ˈkrəumiəm) noun
a metallic element used in various metal alloys.
Kernerman English Multilingual Dictionary © 2006-2013 K Dictionaries Ltd.

chromium

n cromo
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in periodicals archive ?
While demand in microscopy, ophthalmics, high power lasers, and optical communications is also expected to aid the continuous expansion of the optical coatings market, it was highlighted in the report that government action against chromium trioxide (Cr6) plating could potentially act as a market deterrent.
Due to concerns raised by REACH regarding the use of chromium trioxide, many architectural coaters have now moved to chrome free alternatives.
Subchronic inhalation toxicity of soluble hexavalent chromium trioxide in rats.
Unlike the oxidation conditions which employ toxic transition metal reagents such as chromium trioxide and strong oxidizing reagents such as potassium permanganate, the BAIB-TEMPO oxidation offers a mild alternative which produces less toxic byproducts and high product yields.
In this study, Chromium trioxide (anhydrous), well-known as chromium (VI) compound (Acharya et al., 2004), was obtained from Merck (Darmstadt, Germany) was used for preparation of the test medium.
Researcher [6] observed that exposure of rats at different concentrations of aerosol of chromium trioxide ([Cr.sup.VI]) decreased TEC, PCV value and Hb% which is in consonance with the present findings.
Son et al (71) generated Cr(VI)-resistant clones from human kidney cells after three consecutive chromium trioxide treatments.
* Chromium trioxide: Veneers were soaked in 3.2 percent [Cr.sub.2][O.sub.3] for 20 hours and then rinsed several times with distilled water.
Electroplating involves immersing the metal parts to be plated in a bath of chromium trioxide (Cr[O.sub.3]), typically prepared by dissolving crystalline Cr[O.sub.3] in a mix of distilled water and sulfuric acid.