Definitions for: Molybdenum

[n] a polyvalent metallic element that resembles chromium and tungsten in its properties; used to strengthen and harden steel

Webster (1913) Definition: Mol`yb*de"num, n. [NL.: cf. F. molybd[`e]ne. See
Molybdena.] (Chem.)
A rare element of the chromium group, occurring in nature in
the minerals molybdenite and wulfenite, and when reduced
obtained as a hard, silver-white, difficulty fusible metal.
Symbol Mo. Atomic weight 95.9.

Synonyms: atomic number 42, Mo

See Also: metal, metallic element, molybdenite

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