thorite Meaning, Definition & Usage

  1. noun a radioactive mineral consisting of thorium silicate; it is a source of thorium that is found in coarse granite

WordNet

Tho"rite noun
Etymology
So called by Berzelius from the Scandinavian god Thor. See Thor.
Definitions
  1. (Min.) A mineral of a brown to black color, or, as in the variety orangite, orange-yellow. It is essentially a silicate of thorium.

Webster 1913