Standard Lemma guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
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noun
A radioactive mineral, composed mostly of thorium silicate (ThSiO4), along with silicates of uranium and the rare earths.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: chemistry, geography, geology, mineralogy, natural-sciences, physical-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
a radioactive mineral consisting of thorium silicate; it is a source of thorium that is found in coarse granite
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
Broader terms: mineral
History
No etymology was provided for this word.
Across languages
7 source translations are retained for this English entry.
