Y0030700 (ĭt′rē-ə)n. See yttrium oxide.[New Latin, after Ytterby, a town in Sweden.]
yttria
(ˈɪtrɪə) n (Elements & Compounds) another name for yttrium oxide[C19: New Latin, named after Ytterby; see ytterbia]
yt•tri•a
(ˈɪ tri ə)
n. a white, water-insoluble powder, Y2O3, used chiefly in incandescent gas and acetylene mantles. Also called yt′trium ox′ide.[< New Latin (1797), after Ytterby. See ytterbium, -a4]