titanium

American  

[tahy-tay-nee-uhm] / taɪˈteɪ ni əm /

noun

Chemistry.

1. 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.

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titanium British  

/ taɪˈteɪnɪəm /

noun

1. 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

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titanium Scientific  

/ tī-tā′nē-əm /

1. 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.

2. See Periodic Table

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Etymology

Origin of titanium

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

Example Sentences

See Examples For:

titanium

Odin is a bionic dog, with titanium teeth and a prosthetic foot from injuries sustained during wartime, but nothing slows him down, not even a plane crash.

From Los Angeles Times ● Sep. 24, 2026

The orange and blue colours on the lunar surface are caused by iron and titanium deposits and it was for that reason that the image was given its title.

From BBC ● Sep. 18, 2026

And following the rise of gold prices, some designers incorporated wood, ceramic and titanium into their designs.

From MarketWatch ● Sep. 15, 2026

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

From Science Daily ● Aug. 11, 2026

This time the doctor performed a titanium cranioplasty— which is a fancy way of saying she put a titanium plate in my head.

From "Malala: The Girl Who Stood Up for Education and Changed the World" by Malala Yousafzai