Word Study
molybdenum
WORDNET DICTIONARY
Noun molybdenum has 1 sense
- molybdenum(n = noun.substance) atomic number 42, mo - a polyvalent metallic element that resembles chromium and tungsten in its properties; used to strengthen and harden steel; Array is a kind of metal, metallic element
CIDE DICTIONARY
molybdenum, n. [NL.: cf. F. molybdène. See Molybdena.].
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. [1913 Webster]
OXFORD DICTIONARY
molybdenum, n. Chem. a silver-white brittle metallic transition element occurring naturally in molybdenite and used in steel to give strength and resistance to corrosion.
Usage
Symb.: Mo.
Etymology
mod.L, earlier molybdena, orig. = molybdenite, lead ore: L molybdena f. Gk molubdaina plummet f. molubdos lead
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