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yttria

 - 3 dictionary results

yt⋅tri⋅a

[i-tree-uh]
–noun Chemistry.
a white, water-insoluble powder, Y2O3, used chiefly in incandescent gas and acetylene mantles.
Also called yttrium oxide.


Origin:
1790–1800; < NL, named after Ytterby. See ytterbia
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Based on the Random House Dictionary, © Random House, Inc. 2009.
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yt·tri·a   (ĭt'rē-ə)   
n.  See yttrium oxide.

[New Latin, after Ytterby, a town in Sweden.]
yttrium oxide  
n.  A yellowish powder, Y2O3, used in optical glasses, ceramics, and color-television tubes. Also called yttria.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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