[gloo-koh-suh-meen, -min]

noun Biochemistry.

an aminosugar occurring in many polysaccharides of vertebrate tissue and also as the major component of chitin.

Origin of glucosamine

First recorded in 1880–85; glucose + -amine Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for glucosamine

Historical Examples of glucosamine

British Dictionary definitions for glucosamine



the amino derivative of glucose that occurs in chitin. It has been used in some herbal remedies
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

glucosamine in Medicine


[glōō-kōsə-mēn′, glōōkō-sə-mēn′]


An amino derivative of glucose that is found especially in polysaccharides such as chitin and in cell membranes.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

glucosamine in Science


[glōō-kōsə-mēn′, glōōkō-]

An amino derivative of glucose in which an amino group replaces a hydroxyl group. It is a component of many polysaccharides and is the basic structural unit of chitin. Glucosamine is used as an over-the-counter dietary supplement by some people with symptoms of arthritis. Chemical formula: C6H13NO5.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.