thorium dioxide

noun

: a refractory crystalline compound obtained usually as a dense white powder and formerly used as a contrast medium in radiography

called also thorium oxide, thorotrast

Dictionary Entries Near thorium dioxide

Cite this Entry

“Thorium dioxide.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/thorium%20dioxide. Accessed 16 Jun. 2024.

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