• synonyms


[nos-uh-koh-mee-uh l]
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  1. (of infections) contracted as a result of being hospitalized; hospital-acquired.

Origin of nosocomial

1850–55; < New Latin nosocomi(um) hospital (< Late Greek nosokomeîon, equivalent to Greek noso- noso- + kom- (base with sense “care, attendance,” as in gērokómos caring for the old) + -eion suffix of location) + -al1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for nosocomial


  1. med originating in hospitalnosocomial disease

Word Origin

C19: New Latin nosocomialis, via Late Latin from Greek, from nosokomos one that tends the sick, from nosos (see noso-) + komein to tend
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for nosocomial


1855, from Latin nosocomium, from Greek nosokomeion, from nosos "disease." Nosocome was a 17c. word for "hospital."

Online Etymology Dictionary, © 2010 Douglas Harper

nosocomial in Medicine


([object Object])
  1. Of or relating to a hospital.
  2. Of or being a secondary disorder associated with being treated in a hospital but unrelated to the patient's primary condition.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

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