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Wordnet 3.0

NOUN (1)

1. 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;
[syn: titanium, Ti, atomic number 22]


The Collaborative International Dictionary of English v.0.48:

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. [1913 Webster]
WordNet (r) 3.0 (2006):

titanium n 1: 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 [syn: titanium, Ti, atomic number 22]
The Elements (07Nov00):

titanium Symbol: Ti Atomic number: 22 Atomic weight: 47.90 White metallic transition element. Occurs in numerous minerals. Used in strong, light corrosion-resistant alloys. Forms a passive oxide coating when exposed to air. First discovered by Gregor in 1789.