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a combining form with the meaning “breaking down, loosening, decomposition,” used in the formation of compound words:
analysis; electrolysis; paralysis.
Origin of -lysis
From Greek; See origin at lysis Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for -lysis


combining form
indicating a loosening, decomposition, or breaking down: electrolysis, paralysis
Word Origin
from Greek, from lusis a loosening; see 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
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Word Origin and History for -lysis

scientific/medical word-forming element meaning "loosening, dissolving, dissolution," from Greek lysis "a loosening, setting free, releasing, dissolution," from lyein "to unfasten, loose, loosen, untie" (see lose).

Online Etymology Dictionary, © 2010 Douglas Harper
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-lysis in Medicine

-lysis suff.
Decomposition; dissolving; disintegration: hydrolysis.

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