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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
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
20 April 2024
(adjective) of an electrical system that uses or generates two or more alternating voltages of the same frequency but differing in phase angle
“Coffee, the favorite drink of the civilized world.” – Thomas Jefferson, third president of the United States