Real Dictionary

chromium
uncountable noun: Chromium is a hard, shiny metallic element, used to make steel alloys and to coat other metals.

chromium in American English
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): s
noun: a lustrous, hard, brittle, metallic element used in alloy steels for hardness and corrosion resistance, as in stainless steel, and for plating other metals: chromium salts are used as pigments and mordants; at. wt.: 51.996; at. no.: 24; sp. gr.: 7.1

chromium in Automotive Engineering
noun: Chromium is a hard, shiny, metallic element, used to make steel alloys and to coat other metals.

chromium in British English
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 d