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noun Biochemistry.
  1. the catabolism of carbohydrates, as glucose and glycogen, by enzymes, with the release of energy and the production of lactic or pyruvic acid.
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Origin of glycolysis

First recorded in 1890–95; glyco- + -lysis
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for glycolysis


  1. biochem the breakdown of glucose by enzymes into pyruvic and lactic acids with the liberation of energy
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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 glycolysis


1892, from glyco- + -lysis.

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Online Etymology Dictionary, © 2010 Douglas Harper

glycolysis in Medicine


  1. The ATP-generating metabolic process of most cells in which carbohydrates are converted to pyruvic acid.
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Related formsgly′co•lytic (glī′kə-lĭtĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

glycolysis in Science


  1. The process in cell metabolism by which carbohydrates and sugars, especially glucose, are broken down, producing ATP and pyruvic acid. See more at cellular respiration.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.