English noun: atomic number 22 | |||
1. | atomic number 22 (substance) 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 | ||
Synonyms | Ti, titanium | ||
Broader (hypernym) | metal, metallic element | ||
Substance meronym | ilmenite, rutile | ||
Domain category | aeroplane, airplane, plane | ||