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Definition of Thorite
1. Noun. A radioactive mineral consisting of thorium silicate; it is a source of thorium that is found in coarse granite.
Definition of Thorite
1. n. A mineral of a brown to black color, or, as in the variety orangite, orange-yellow. It is essentially a silicate of thorium.
Definition of Thorite
1. a thorium ore [n -S]
Medical Definition of Thorite
1.