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more about chromium
chromium |
3 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Chromium \Chro"mi*um\, n. [NL., fr Gr ? color.] (Chem.) A comparatively rare element occurring most abundantly in the mineral chromite. Atomic weight 52.5. Symbol Cr When isolated it is a hard, brittle, grayish white metal, fusible with difficulty. Its chief commercial importance is for its compounds, as potassium chromate, lead chromate, etc., which are brilliantly colored and are used dyeing and calico printing. Called also {chrome}. From WordNet r 1.6 [wn]: chromium n : a hard brittle blue-white multivalent metallic element; resistant to corrosion and tarnishing [syn: {Cr}, {atomic number 24}] From Elements database 20001107 [elements]: chromium Symbol: Cr Atomic number: 24 Atomic weight: 51.996 Hard silvery transition element. Used in decorative electroplating. Discovered in 1797 by Vauquelin
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