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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

WSJ | Buy Side: From high-heat titanium tools for coarse hair to gentle ceramic irons for fine tresses, these are the best hair straighteners we tested.

From The Wall Street Journal • May 28, 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

In alloys, a big name is ATI, a maker of high-performance titanium, nickel-based, and other alloys.

From Barron's • Apr. 13, 2026

There are metals too, like iron and titanium, and also helium, which is used in everything from superconductors to medical equipment.

From BBC • Mar. 29, 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