Meanings
alternative UK thiopentone
- uncountablemedicineA barbiturate C₁₁H₁₈N₂O₂S (trademark Pentothal) used in the form of its sodium salt especially as an intravenous anesthetic; and as a supposed truth serum.
Synonyms: sodium pentothal, soap
Synonyms & antonyms
nounA barbiturate C₁₁H₁₈N₂O₂S (trademark Pentothal) used in the form of its sodium salt especially as an intravenous anesthetic; and as a supposed truth serum.
More synonyms by meaning
nounbarbiturate that is a hygroscopic powder (trade name Pentothal) that is a strong barbiturate that acts rapidly; induces a relaxed state when injected as a general anesthetic
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
- Proto-Indo-European*dʰewh₂-der.?
- Ancient Greekθέειον (théeion)
- Ancient Greekθεῖον (theîon)
- Englishthio-
- Englishpent(obarbi)tal
- Englishthiopental
From thio- + pent(obarbi)tal.
Full word history & related roots →Rhymes & wordplay
Rhymes with thiopental
Cite this entry
thiopental. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/thiopental
“thiopental.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/thiopental. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “thiopental,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/thiopental.
Source: thiopental on Wiktionary, CC BY-SA 4.0.