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glucosamine

American  
[gloo-koh-suh-meen, -min] / gluˈkoʊ səˌmin, -mɪn /

noun

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


glucosamine British  
/ ɡluːˈkəʊzˈəmiːn /

noun

  1. 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 Scientific  
/ glo̅o̅-kōsə-mēn′,glo̅o̅kō- /
  1. 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: C 6 H 13 NO 5 .


Etymology

Origin of glucosamine

First recorded in 1880–85; glucose + -amine

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In addition, I take glucosamine, chondroitin, MSM and pectin to keep my foot and knee pain at bay.

From Seattle Times • Sep. 3, 2023

Chitin is a nitrogen-containing polysaccharide, with repeating units of N-acetyl- β -D- glucosamine, a modified sugar.

From Textbooks • Jun. 9, 2022

There’s no high-quality evidence that supplements, including glucosamine and chondroitin, make any difference, according to both Dr. Roos and Dr. Whittaker — though they don’t appear to be harmful either.

From New York Times • Nov. 19, 2021

Older players offer tips such as taking the joint supplements glucosamine and chondroitin or doing single-leg squats for strength and balance, but tennis itself is a boon to longevity.

From Washington Post • Aug. 23, 2019

When hydrolysed these fungoid celluloses yield, in addition to monoses, glucosamine and acetic acid.

From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 5 "Cat" to "Celt" by Various