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titanium definition

ti·ta·nium (tī tā′nē əm, ti-)

noun

a silvery or dark-gray, lustrous, metallic chemical element found in rutile and other minerals and used as a cleaning and deoxidizing agent in molten steel, and in the manufacture of aircraft, satellites, chemical equipment, etc.: symbol, Ti; at. no., 22

Etymology: ModL: arbitrary coinage (1796) by M. H. Klaproth (see tellurium) for element discovered (1791) by William Gregor (1761-1817), Brit mineralogist, and later by Klaproth < Gr Titanes, pl. of Titan, Titan + -ium, by analogy with uranium

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