pentothal
Pentothal (noun) means a trademark name for thiopental, a fast-acting barbiturate once widely used as an anesthetic and infamously nicknamed a "truth serum". Example: “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.
Technically a trademark; "thiopental" is the proper generic drug name.
Fill the gap
Can you complete this real example?
The old spy film showed an interrogator using _____ to loosen a suspect's tongue.
Etymology
A trademarked brand name for the drug thiopental.