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]
WordNet (r) 3.0 (2006):
atomic number 22
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]