noun
pentothal
noun
1
A trademark name for thiopental, a fast-acting barbiturate once widely used as an anesthetic and infamously nicknamed a "truth serum".
"The old spy film showed an interrogator using Pentothal to loosen a suspect's tongue."
How to Use Pentothal
Learner’s notesIn plain EnglishA brand name most people know from movies and TV as the so-called "truth serum" drug.
When to use it
Technically a trademark; "thiopental" is the proper generic drug name.
Easily confused with
thiopental
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The old spy film showed an interrogator using _____ to loosen a suspect's tongue.
Etymology
A trademarked brand name for the drug thiopental.