noun Pathology.

Origin of emesis

1870–75; < New Latin < Greek émesis a vomiting, equivalent to eme- (stem of emeîn to vomit) + -sis -sis
Related formshy·per·em·e·sis, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for hyperemesis



the technical name for vomitingSee vomit

Word Origin for emesis

C19: via New Latin from Greek, from emein to vomit
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 hyperemesis



"action of vomiting," 1875, medical Latin, from Greek emesis, from emein "to vomit" (see emetic).

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for hyperemesis




Excessive vomiting.
Related formshy′per•e•metic (-ĭ-mĕtĭk) adj.



n. pl. em•e•ses (-sēz′)

The act or process of vomiting.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.