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 18 Dec. 2024.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share