somnifacient


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som·ni·fa·cient

 (sŏm′nə-fā′shənt)
adj.
Tending to produce sleep; hypnotic.

som′ni·fa′cient n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

somnifacient

(ˌsɒmnɪˈfeɪʃənt) med
n
(Medicine) a sleep-inducer
adj
(Medicine) inducing sleep
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

som•ni•fa•cient

(ˌsɒm nəˈfeɪ ʃənt)

adj.
1. causing or inducing sleep.
n.
2. a drug or other agent that induces or tends to induce sleep.
[1885–90; < Latin somn(us) sleep + -i- -i- + -facient]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:

somnifacient

adjectivenoun
Something that induces sleep or sedation:
The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive ?
Had the generations of children to whom the poem has been read as a Christmas Eve somnifacient known the latent content of Moore's vinous visions, more than sugar plums would have danced in their heads.