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a combining form with the meanings “sugar,” “glucose and its derivatives,” used in the formation of compound words:
Also, gluco-.
Also, especially before a vowel, glyc-.
Origin of glyco-
combining form representing Greek glykýs sweet Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for glyco-


combining form
indicating sugar: glycogen
Word Origin
from Greek glukus sweet
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 glyco-

word-forming element meaning "sweet," from Latinized comb. form of Greek glykys "sweet" (see glucose). Used in reference to sugars generally. OED says a regular formation would be glycy-.

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

glyco- pref.

  1. Sugar: glycoprotein.

  2. Glycogen: glycogenesis.

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