Definition of Thorium
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(n.) A metallic element found in certain rare minerals, as thorite, pyrochlore, monazite, etc., and isolated as an infusible gray metallic powder which burns in the air and forms thoria; -- formerly called also thorinum. Symbol Th. Atomic weight 232.0.
Antonyms of Thorium
No Antonyms Found.
Homophones of Thorium
No Homophones Found.