titanium

noun

ti·​ta·​ni·​um tī-ˈtā-nē-əm 

tə-

also

-ˈta-nē-əm 

-ˈtan-yəm

: a silvery-gray light strong metallic element with atomic number 22 obtained from ilmenite and rutile and used especially in alloys, refractory materials, pigments, and medical and dental devices see Chemical Elements Table

Examples of titanium in a Sentence

Recent Examples on the Web

In 2021, Hayley Arceneaux, a cancer survivor who has a titanium prosthesis in her leg, spent three days in orbit as part of an experimental civilian space mission. —Jackie Wattles, CNN Money, 18 Dec. 2025

Her partial right-knee replacement last year, using less-invasive robotic arthroscopy and titanium components, gave her the urge to try again. —Sally Jenkins, The Atlantic, 18 Dec. 2025

The end product is a rigid frame of aluminum alloy or titanium or carbon composites, with thin foam padding for the seat pan and back. —New Atlas, 16 Dec. 2025

Vonn returned to skiing last season after nearly six years of retirement — following a partial replacement surgery on her right knee, which included inserting two pieces of titanium. —CBS News, 13 Dec. 2025

Word History

Etymology

New Latin, from Greek Titan

First Known Use

1796, in the meaning defined above

Phrases Containing titanium

• titanium dioxide
• titanium white

Rhymes for titanium

• geranium
• germanium
• uranium
• cranium
• transuranium

Kids Definition

titanium

noun

ti·​ta·​ni·​um tī-ˈtān-ē-əm 

tə-

: a silvery gray light strong metallic element found combined in various minerals and used especially in alloys (as in steel) see element

Medical Definition

titanium

noun

ti·​ta·​ni·​um

tī-ˈtān-ē-əm, tə- also -ˈtan-

: a silvery gray light strong metallic element found combined in ilmenite and rutile and used especially in alloys (as steel) and combined in refractory materials and in coatings

—symbol Ti see Chemical Elements Table