Dictionary.com
Thesaurus.com
Showing results for pentobarbital. Search instead for penstemon barbatus.

pentobarbital

American  
[pen-tuh-bahr-bi-tawl, -tal] / ˌpɛn təˈbɑr bɪˌtɔl, -ˌtæl /

noun

Pharmacology.
  1. a barbiturate, C 1 1 H 1 7 N 2 O 3 , used as a hypnotic and as a sedative.


Etymology

Origin of pentobarbital

1930–35; pent- ( def. ) + -o- + barbital

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The memo also defends the use of lethal injection, calling the drug pentobarbital "the gold standard of lethal injection drugs".

From BBC Apr. 24, 2026

The Justice Department’s 52-page report found the use of pentobarbital to carry out death sentences is consistent with the Eighth Amendment.

From The Wall Street Journal Apr. 24, 2026

The publication also quotes a medical expert who observed that pentobarbital, the single-drug barbiturate used in Black’s execution, “should cause rapid unconsciousness. It sounds like this did not occur.”

From Slate Aug. 8, 2025

Regarding the question of whether executions with pentobarbital are painful, the department’s review was less definitive in its conclusions than the lawyers and investigators cited above.

From Salon Jan. 21, 2025

When the vet injected the sodium pentobarbital, Neil fluttered her eyes, assumed a nap position, and died.

From "Me Talk Pretty One Day" by David Sedaris

Vocabulary.com logo
by dictionary.com

Join 12,000,000 vocabulary learners

Start learning new words today on VocabTrainer.
You'll remember them forever.

Start training