titanium Meaning, Definition & Usage

  1. 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
    atomic number 22; Ti.

WordNet

Ti*ta"ni*um noun
Etymology
NL., fr. L. Titani or Titanes, Gr. , the sons of the earth.
Definitions
  1. (Chem.) 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.

Webster 1913