somnifacient

adjective

som·​ni·​fa·​cient ˌsäm-nə-ˈfā-shənt How to pronounce somnifacient (audio)
: hypnotic sense 1
somnifacient noun

Word History

Etymology

Latin somnus sleep + English -facient

First Known Use

circa 1890, in the meaning defined above

Time Traveler
The first known use of somnifacient was circa 1890

Dictionary Entries Near somnifacient

somnial

somnifacient

somniferous

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Cite this Entry

“Somnifacient.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/somnifacient. Accessed 22 Nov. 2024.

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Medical Definition

somnifacient

1 of 2 adjective
som·​ni·​fa·​cient ˌsäm-nə-ˈfā-shənt How to pronounce somnifacient (audio)
: inducing sleep : hypnotic sense 1
a somnifacient drug

somnifacient

2 of 2 noun
: a somnifacient agent (as a drug) : hypnotic sense 1
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