Molybdenum

n.

1.

(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 number 42. Atomic weight 95.94.

Noun

1.

molybdenum - a polyvalent metallic element that resembles chromium and tungsten in its properties; used to strengthen and harden steel Synonyms: atomic number 42, Mo

atomic number 42, metal, metallic element, Mo, molybdenite