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thoria

(t̸hôr′ē ə)

noun

a white, powdery form of thorium dioxide, ThO, used esp. in gas mantles and in making refractory crucibles

Origin: ModL < Swed Thorjord, lit., Thor-earth (so named by Baron Jöns Jakob Berzelius): see thorium

See thoria in American Heritage Dictionary 4

noun

See thorium dioxide.

Origin:

Origin: From thorium

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