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

The team also produced nanocrystals from several related nitride materials, including titanium nitride, which is used in medical implants; niobium nitride, an important industrial superconductor; and molybdenum nitride, which is commonly used as a catalyst.

From Science Daily ● Aug. 30, 2026

The metal is 33% lighter than aluminum and 60% lighter than titanium.

From The Wall Street Journal ● Aug. 24, 2026

In a salt water electrolyzer, the new steel delivered performance comparable to titanium structural components currently used to produce hydrogen from desalinated seawater or acidic solutions.

From Science Daily ● Aug. 11, 2026

Managing director Mark White is considering using new materials like reclaimed titanium, but is taking a measured approach to introducing further technology, in an effort to preserve the craftsmanship behind Whiteley scissors.

From BBC ● Jul. 20, 2026

He’s probably here to notify us that our windows are too bulletproof, or that our garage door is too titanium, or that our rooftop aerial drone helipad is too awesome.

From "Dry" by Neal Shusterman and Jarrod Shusterman

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