noun, plural cy·e·ses [sahy-ee-seez] /saɪˈi siz/.

Origin of cyesis

< New Latin < Greek kýēsis pregnancy, equivalent to kyē- (variant stem of kyeîn to be pregnant) + -sis -sis
Related formscy·et·ic [sahy-et-ik] /saɪˈɛt ɪk/, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for cyesis


noun plural -ses (-siːz)

med the technical name for pregnancy

Word Origin for cyesis

from Greek kuēsis
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

cyesis in Medicine




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