We found 2 definitions of cr from 2 different sources.
Noun |
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cr - a hard brittle multivalent metallic element; resistant to corrosion and tarnishing | ||
chromium, Cr, atomic number 24 | ||
metallic element, metal 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 |