Meanings
nounthorotrast (uncountable)
- uncountablemedicineA radiographic contrast medium composed of a suspension of thorium dioxide.
Origin
Blend of thorium + contrast. Originally a trade name.
Full word history & related roots →Cite this entry
APA
thorotrast. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/thorotrast
MLA
“thorotrast.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/thorotrast. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “thorotrast,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/thorotrast.
Source: thorotrast on Wiktionary, CC BY-SA 4.0.