The DICT Development Group
3 definitions found
From The Collaborative International Dictionary of English v.0.48 :
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) 3.0 (2006) :
n 1: a hard brittle multivalent metallic element; resistant to
corrosion and tarnishing [syn: chromium, Cr, atomic
From The Elements (07Nov00) :
Atomic number: 24
Atomic weight: 51.996
Hard silvery transition element. Used in decorative electroplating.
Discovered in 1797 by Vauquelin.
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