[sizh-uh n, sish-]


a cutting, dividing, or splitting; division; separation.
Chemistry. cleavage(def 7).

Nearby words

  1. scirrhous,
  2. scirrhous carcinoma,
  3. scirrhus,
  4. scissel,
  5. scissile,
  6. scissor,
  7. scissorlike,
  8. scissors,
  9. scissors chair,
  10. scissors jack

Origin of scission

1400–50; late Middle English (< Middle French) < Late Latin scissiōn- (stem of scissiō) a cutting, equivalent to sciss(us) (past participle of scindere to cut) + -iōn- -ion Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for scission

British Dictionary definitions for scission



the act or an instance of cutting, splitting, or dividing

Word Origin for scission

C15: from Late Latin scissiō, from scindere to split

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 scission



"act of cutting or dividing," mid-15c., from French scission (14c.), from Late Latin scissionem (nominative scissio) "a cleaving, dividing," noun of action from past participle stem of Latin scindere "to cut" (see shed (v.)).

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for scission


[sĭzhən, sĭsh-]


A separation, division, or splitting, as in fission.

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