PHENOBARBITAL

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

A long-acting barbiturate used as a sedative

Synonyms:

Luminal; phenobarbital; phenobarbitone; purple heart; sodium thiopental

Classified under:

Nouns denoting man-made objects

Hypernyms ("phenobarbital" is a kind of...):

barbiturate (organic compound having powerful soporific effect; overdose can be fatal)

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