[lahys]Immunology, Biochemistry
verb (used without object), lysed, lys·ing.
  1. to undergo lysis.

Origin of lyse

1925–30; back formation from lysin or lysis


Chiefly British.
  1. variant of -lyze. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for lyse

Historical Examples of lyse

British Dictionary definitions for lyse


  1. to undergo or cause to undergo lysis
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 lyse

1927, back-formation from lysis.


see -lyze.

Online Etymology Dictionary, © 2010 Douglas Harper

lyse in Medicine


[līs, līz]
  1. To undergo or cause to undergo lysis.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.