yttrium

noun yt·tri·um \ ˈi-trē-əm \
Updated on: 19 Mar 2018

Definition of yttrium

: a metallic element usually included in the rare-earth group that occurs usually with other rare earth elements in minerals and is used especially in phosphors, YAG lasers, and superalloys — see Chemical Elements Table

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Origin and Etymology of yttrium

New Latin, from yttria yttrium oxide (Y2O3), irregular from Ytterby, town in southern Sweden


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 Chemical Elements Table

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