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单词 titanium
释义

titanium

[ tahy-tey-nee-uhm ]
/ taɪˈteɪ ni əm /

noun Chemistry.

a dark-gray or silvery, lustrous, very hard, light, corrosion-resistant, metallic element, occurring combined in various minerals: used in metallurgy to remove oxygen and nitrogen from steel and to toughen it. Symbol: Ti; atomic weight: 47.90; atomic number: 22; specific gravity: 4.5 at 20°C.

Origin of titanium

<New Latin (1795); see Titan, -ium

Words nearby titanium

titanic acid, titanic oxide, titaniferous, Titanism, titanite, titanium, titanium dioxide, titanium white, Titanomachy, titanosaur, titanothere
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for titanium

British Dictionary definitions for titanium

titanium
/ (taɪˈteɪnɪəm) /

noun

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 for titanium

C18: New Latin; see Titan, -ium
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for titanium

titanium
[ tī-tānē-əm, tĭ- ]

n. Symbol Ti

A strong, low-density, highly corrosion-resistant metallic element, used in ultraviolet sunscreens and as a surgical aid to repair fractures. Atomic number 22.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for titanium

titanium
[ tī-tānē-əm ]

Ti

A shiny, white metallic element that occurs in all kinds of rocks and soils. It is lightweight, strong, and highly resistant to corrosion. Titanium alloys are used especially to make parts for aircraft and ships. Atomic number 22; atomic weight 47.87; melting point 1,660°C; boiling point 3,287°C; specific gravity 4.54; valence 2, 3, 4. See Periodic Table.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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