MOLYBDENUM

molybdenum, Mo, atomic number

(noun) a polyvalent metallic element that resembles chromium and tungsten in its properties; used to strengthen and harden steel

Source: WordNet® 3.1


Etymology

Noun

molybdenum (countable and uncountable, plural molybdenums or molybdena)

A chemical element (symbol Mo) with an atomic number of 42: a silvery metal, not found as a free element, used in steel alloys.

A single atom of this element.

Source: Wiktionary


Mol`yb*de"num, n. Etym: [NL.: cf. F. molybdène. See Molybdena.] (Chem.)

Definition: 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.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

20 April 2024

MULTIPHASE

(adjective) of an electrical system that uses or generates two or more alternating voltages of the same frequency but differing in phase angle


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