TITANIUM

titanium, Ti, atomic number

(noun) a light strong grey lustrous corrosion-resistant metallic element used in strong lightweight alloys (as for airplane parts); the main sources are rutile and ilmenite

Source: WordNet® 3.1

Etymology

Noun

titanium (countable and uncountable, plural titaniums)

A chemical element, atomic number 22; it is a strong, corrosion-resistant transition metal, used to make light alloys for aircraft etc.

(countable) A single atom of this element.

Source: Wiktionary

Ti*ta"ni*um, n. Etym: [NL., fr. L. Titani or Titanes, Gr. (Chem.)

Definition: An elementary substance found combined in the minerals manaccanite, rutile, sphene, etc., and isolated as an infusible iron- gray amorphous powder, having a metallic luster. It burns when heated in the air. Symbol Ti. Atomic weight 48.1.

Source: Webster’s Unabridged Dictionary 1913 Edition