thoria

[ thawr-ee-uh, thohr- ]
/ ˈθɔr i ə, ˈθoʊr- /

noun Chemistry.

a white, heavy, water-insoluble powder, ThO2, used chiefly in incandescent mantles, as the Welsbach gas mantle.
Also called thorium oxide, thorium dioxide.

Origin of thoria

First recorded in 1835–45; thori(um) + -a4

Example sentences from the Web for thoria

British Dictionary definitions for thoria

thoria
/ (ˈθɔːrɪə) /

noun

another name for thorium dioxide

Word Origin for thoria

C19: thorium + -a, on the model of magnesia