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Word of the Day Wednesday, June 10, 2026

thorium

/θɔːriəm/ noun · British & US
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What does thorium mean?

noun

A chemical element with the symbol Th and atomic number 90, a radioactive, metallic, silvery-white, water-insoluble, and malleable element.

Example

"The researchers studied the properties of thorium in their nuclear reactor."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for thorium

Antonyms of thorium

Rhymes with thorium

Etymologically related