titanium

American

[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. Ti; 47.90; 22; 4.5 at 20°C.

titanium British

/ 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

"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

titanium Scientific

/ tī-tā′nē-əm /

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

Etymology

Origin of titanium

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

Vocabulary lists containing titanium

Common Chemical Elements

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Example Sentences

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See Examples For:

titanium

Electrolyzers operating with desalinated seawater or acidic solutions currently require expensive titanium components coated with gold or platinum.

From Science Daily ● Aug. 11, 2026

The spikes, designed to maximise his biomechanics, featured a carbon plate and aggressive rocker for propulsion, and titanium pins to keep the shoe light.

From BBC ● Jul. 18, 2026

The biggest advance in preventive medicine might well be that thin band on your wrist or titanium ring on your finger.

From MarketWatch ● May 28, 2026

The world’s largest producer of titanium was the Soviet Union, and the Soviets weren’t about to sell the material to the U.S. to build a plane to spy on them.

From The Wall Street Journal ● May 18, 2026

Of course, I’d taken the precaution of reinforcing my apartment’s walls, floor, and ceiling, with a titanium alloy SageCage, which I’d assembled piece by piece.

From "Ready Player One: A Novel" by Ernest Cline

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023