Definitions

1. noun

A mineral oxide of yttrium, commonly found in igneous and metamorphic rocks, and often used as a flux in the production of glass and ceramics.

“The geologist examined the sample of yttria and noted its unique properties.”

2. chemistry

A chemical compound with the formula Y2O3, composed of yttrium and oxygen.

“The chemist synthesized yttria through a high-temperature process.”