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

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Example Sentences

See Examples For:

titanium

Paul had to have two titanium plates fitted and some teeth removed after the Briton broke his jaw during that contest, but will return to the ring for the first time in a year.

From BBC ● Nov. 4, 2026

Macrophages exposed to titanium particles engulfed fewer than half as many bacteria as immune cells that had not encountered the particles.

From Science Daily ● Oct. 23, 2026

The Duo’s display structure requires a sandwich-like structure of carbon-based films layered with electrodes, high-strength glass, specialized adhesives and a titanium support plate, all of which make it substantially more expensive than pervious models.

From MarketWatch ● Sep. 25, 2026

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

All are immensely strong, with scales harder than titanium.

From "The Last Olympian" by Rick Riordan

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