yttrium

n. (Y) metallic chemical element (Chemistry)

Yttrium (IPA: ), is a chemical element that has the symbol Y and atomic number 39. A silvery metallic transition metal, yttrium is common in rare-earth minerals and two of its compounds are used to make the red color phosphors in cathode ray tube displays, such as those used for televisions.
See more at Wikipedia.org...

Noun
1. a silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminum alloys
(synonym) Y, atomic number 39
(hypernym) metallic element, metal
(substance-holonym) gadolinite, ytterbite

n. yttrium, metallic chemical element

n. yttrium, metallic chemical element