TITANIUM

Ti‐ta″ni‐um (?), n. [[NL., fr. L. Titani or Titanes, Gr. �, the sons of the earth.]] (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.