[ glahy-kuh-sahyd ]

  1. any of the class of compounds that yield a sugar and an aglycon upon hydrolysis.

Origin of glycoside

1925–30; glycose (a monosaccharide) + -ide

Other words from glycoside

  • gly·co·sid·ic [glahy-kuh-sid-ik], /ˌglaɪ kəˈsɪd ɪk/, adjective

Words Nearby glycoside Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

British Dictionary definitions for glycoside


/ (ˈɡlaɪkəʊˌsaɪd) /

  1. any of a group of substances, such as digitoxin, derived from monosaccharides by replacing the hydroxyl group by another group. Many are important medicinal drugs: See also glucoside

Derived forms of glycoside

  • glycosidic (ˌɡlaɪkəʊˈsɪdɪk), adjective

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

Scientific definitions for glycoside


[ glīkə-sīd′ ]

  1. Any of various organic compounds formed from a simple sugar (monosaccharide) by replacing the hydrogen atom of one of its hydroxyl groups (OH) with the bond to another biologically active molecule. Glycosides occur abundantly in plants, especially as pigments, and are used in medicines, dyes, and cleansing agents.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.