sleeping_pill has definitions from the fields of medicine,pharmacology
1
[ noun ] (medicine,pharmacology) a soporific drug in the form of a pill (or tablet or capsule)

Used in print

(Edward Streeter, The Chairman of the Bored....)

The old nightmare which had caused him so many wakeful hours came charging in on him once_more , only this time he could n't pacify it with a sleeping_pill and send it away .

Related terms

pill soporific

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