Answer: yttria

AnswerCrossword Clue
YTTRIA

Oxide of element 39

YTTRIA

White powder used in incandescent gas

YTTRIA

Oxide in incandescent gas mantles

YTTRIA
Heavy white powder, in chemistry.
YTTRIA
Heavy, insoluble powder.
YTTRIAPowder used in color TV tubes
YTTRIAPowder used in television tubes
YTTRIARare-earth oxide
YTTRIAOxide used in television tubes
YTTRIAPowder used in lasers
YTTRIAOxide used in picture tubes
YTTRIAYellowish powder used in ceramics