- a white-to-yellow, heavy powder, cerium dioxide, CeO2, usually derived from cerium nitrate by decomposition with heat: used chiefly in ceramics, glass polishing, and decolorizing.
Origin of ceria
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for ceria
Greater or less proportions of ceria decreased the light-output.
It is the ceria that gives the light, yet a little more of it will lower the luminosity.Creative Chemistry
Edwin E. Slosson
The oxyacetylene flame is concentrated upon a small pellet of ceria, which provides a brilliant source of small dimensions.
These crude earths, yttria and ceria, have supplied most if not all of the “rare earth” metals.
In this way a very high initial illuminating power was obtained, which, however, rapidly fell as the ceria slowly volatilized.
- another name (not in technical usage) for ceric oxide
New Latin, from cerium