noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A radioactive mineral, composed mostly of thorium silicate (ThSiO₄), along with silicates of uranium and the rare earths. countable, uncountable
2. 2
   a radioactive mineral consisting of thorium silicate; it is a source of thorium that is found in coarse granite wordnet

Related phrases

rare earththorium silicate

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.