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insomnious

 - 4 dictionary results

in⋅som⋅ni⋅a

  [in-som-nee-uh]
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–noun
inability to obtain sufficient sleep, esp. when chronic; difficulty in falling or staying asleep; sleeplessness.
Origin:
1685–95; < L, equiv. to insomn(is) sleepless (in- in- 3 + somn(us) sleep + -is adj. suffix) + -ia -ia

Related forms:
in⋅som⋅ni⋅ous, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Medical Dictionary

Main Entry: in·som·nia
Pronunciation: in-'säm-nE-&
Function: noun
: prolonged and usually abnormal inability to obtain adequate sleepcalled also agrypnia
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

insomnia in·som·ni·a (ĭn-sŏm'nē-ə)
n.
Chronic inability to fall asleep or remain asleep for an adequate length of time.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Science Dictionary
insomnia   (ĭn-sŏm'nē-ə)  Pronunciation Key 
Chronic inability to fall asleep or remain asleep for an adequate length of time.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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