'Chromium' definitions:
Definition of 'chromium'
From: WordNet
noun
A hard brittle multivalent metallic element; resistant to corrosion and tarnishing [syn: chromium, Cr, atomic number 24]
Definition of 'Chromium'
From: GCIDE
- 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. [1913 Webster]
Definition of 'Chromium'
From: Elements
- Symbol: Cr
- Atomic number: 24
- Atomic weight: 51.996
- Hard silvery transition element. Used in decorative electroplating. Discovered in 1797 by Vauquelin.