noun Chemistry.

a white, water-insoluble powder, Y2O3, used chiefly in incandescent gas and acetylene mantles.

Origin of yttria

1790–1800; < New Latin, named after Ytterby. See ytterbia
Also called yttrium oxide. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for yttrium oxide

yttrium oxide


a colourless or white insoluble solid used mainly in incandescent mantles. Formula: Y 2 O 3Also called: yttria



another name for yttrium oxide

Word Origin for yttria

C19: New Latin, named after Ytterby; see ytterbia
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012