somnifacient

adjective
som·​ni·​fa·​cient | \ ˌsäm-nə-ˈfā-shənt How to pronounce somnifacient (audio) \

Definition of somnifacient

Other Words from somnifacient

somnifacient noun

First Known Use of somnifacient

circa 1890, in the meaning defined above

History and Etymology for somnifacient

Latin somnus sleep + English -facient

Keep scrolling for more

Learn More about somnifacient

Statistics for somnifacient

Look-up Popularity

Time Traveler for somnifacient

The first known use of somnifacient was circa 1890

See more words from the same year

Keep scrolling for more

More Definitions for somnifacient

somnifacient

adjective
som·​ni·​fa·​cient | \ ˌsäm-nə-ˈfā-shənt How to pronounce somnifacient (audio) \

Medical Definition of somnifacient

 (Entry 1 of 2)

: inducing sleep : hypnotic sense 1 a somnifacient drug

somnifacient

noun

Medical Definition of somnifacient (Entry 2 of 2)

: a somnifacient agent (as a drug) : hypnotic sense 1

Comments on somnifacient

What made you want to look up somnifacient? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to make a temporary encampment

Get Word of the Day daily email!

Test Your Vocabulary

Musical Words Quiz

  • gramophone
  • Which word describes a musical performance marked by the absence of instrumental accompaniment?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!