Medical Dictionary

yttrium

noun yt·tri·um \ˈi-trē-əm\

Medical Definition of YTTRIUM

:  a trivalent metallic element usually included among the rare earth elements which it resembles chemically and with which it occurs in minerals—symbol Y; see element table

Browse

May 23, 2015
debouch Hear it
to emerge or cause to emerge
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears