yttria definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
yttrium oxide, YO, a heavy, white powder, insoluble in water: used in electronics, color television tubes, etc.
Origin: ModL: so named (1797) after Ytterby (see erbium), source of rare earth complex discovered by Gadolin (see gadolinite)
yttria definition by American Heritage Dictionary
See yttrium oxide.
Origin: New Latin, after Ytterby, a town in Sweden.