a strong malleable white metallic element, which is very corrosion-resistant and occurs in rutile and ilmenite. It is used in the manufacture of strong lightweight alloys, esp aircraft parts. Symbol: Ti; atomic no: 22; atomic wt: 47.88; valency: 2, 3, or 4; relative density: 4.54; melting pt: 1670±10°C; boiling pt: 3289°C
Word origin
C18: New Latin; see Titan, -ium
titanium in American English
(taɪˈteɪniəm; tɪˈteɪniəm)
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
Word origin
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