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

Her left knee, the one with the torn ACL, faced out to the left and her right knee, the one built of titanium, pointed in the exact opposite direction. —Dana O’Neil, CNN Money, 8 Feb. 2026

Vonn, a three-time Olympic medalist, is attempting an astounding comeback after almost six years removed from racing and a partial titanium knee replacement in 2024. —Los Angeles Times, 7 Feb. 2026

Harder materials, such as stainless steel and titanium, are long-lasting, while softer metals and plastics may be damaged over time. —John Monaco, InStyle, 7 Feb. 2026

Seeing if Lindsey Vonn can contend for a medal in the Olympic downhill at age 41 with a titanium replacement in her right knee to cap her comeback after nearly six years of retirement was already going to be one of the highlights of the Milan Cortina Olympics. —Andrew Dampf, Chicago Tribune, 7 Feb. 2026

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