英语词汇“chromium”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

　

单词	chromium
释义	Trends of chromium View usage for: chromium (kroʊmiəm) uncountable noun Chromium is a hard, shiny metallic element, used to make steel alloys and to coat other metals. ...chromium-plated fire accessories. chromium in British English (ˈkrəʊmɪəm) noun 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 Word origin C19: from New Latin, from French: chrome chromium in American English (ˈkroʊmiəm) noun a grayish-white, crystalline, very hard, metallic chemical element with a high resistance to corrosion: used in chromium electroplating, in alloy steel ( stainless steel), and in alloys containing nickel, copper, manganese, and other metals ( Nichrome): symbol, Cr; at. no. 24 Word origin ModL < Fr chrome < Gr chrōma (see chroma) + -ium; so named (1797) by N.-L. Vauquelin, Fr chemist, its discoverer, because of its bright-coloredcompounds chromium in Automotive Engineering (kroʊmiəm) noun (Automotive engineering: Materials) Chromium is a hard, shiny, metallic element, used to make steel alloys and to coat other metals. The exterior bodywork is a mixture of stainless steel and chromium plating. Chromium is commonly seen as reflective coatings on items like car bumpers. Chromium plating provides a hard, corrosion-resistant, low-friction surface on parts likecrankshaft journals or piston rings. Image of chromium © Bjoern Wylezich, shutterstock Examples of 'chromium' in a sentence chromium He looked into its shiny chromium surface, which was now scratched and dented. Zindell, David THE BROKEN GOD (1994) One whole case was taken up with a difference engine of brass gears and gleaming chromium switches. Zindell, David THE BROKEN GOD (1994) The computerized machine was fitted with a chromium grille so that it looked like the front end of an old American car. Lustbader, Eric FLOATING CITY (1994) Word lists with chromium chemical In other languages chromium British English: chromium NOUN Chromium is a hard, shiny metallic element, used to make steel alloys and to coat other metals. ...chromium-plated fire accessories. American English: chromium Brazilian Portuguese: cromo Chinese: 铬 European Spanish: cromo French: chrome German: Chrom Italian: cromo Japanese: クロム Korean: 크로뮴 European Portuguese: cromo Latin American Spanish: cromo All related terms of 'chromium' chromium oxide See chromic oxide chromium-plated having been plated with chromium chromium steel a very hard alloy steel containing chromium chromium dioxide a chemical compound used as a magnetic coating on cassette tapes ; chromium (IV) oxide . Formula: CrO 2 chromium plating plating , often for decorative effect, made of chromium chrome dioxide a chemical compound used as a magnetic coating on cassette tapes ; chromium (IV) oxide . Formula: CrO 2 chrome steel any of various hard rust-resistant steels containing chromium chromic oxide a bright-green crystalline powder, Cr 2 O 3 , insoluble in water: used in metallurgy and as the pigment chrome green
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更新时间：2025/2/11 10:15:39