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Synonyms

glycogen

American  
[glahy-kuh-juhn, -jen] / ˈglaɪ kə dʒən, -ˌdʒɛn /

noun

Biochemistry.
  1. a white, tasteless polysaccharide, (C 6 H 10 O5 ) n , molecularly similar to starch, constituting the principal carbohydrate storage material in animals and occurring chiefly in the liver, in muscle, and in fungi and yeasts.


glycogen British  
/ ˈɡlaɪkəʊdʒən, -dʒɛn /

noun

  1. Also called: animal starch. a polysaccharide consisting of glucose units: the form in which carbohydrate is stored in the liver and muscles in man and animals. It can easily be hydrolysed to glucose

"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

glycogen Scientific  
/ glī′kə-jən /
  1. A polysaccharide stored in animal liver and muscle cells that is easily converted to glucose to meet metabolic energy requirements. Most of the carbohydrate energy stored in animal cells is in the form of glycogen.


Other Word Forms


Etymology

Origin of glycogen

First recorded in 1855–60; glyco- + -gen


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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.

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The general idea is that going long stretches without eating depletes the body’s stored sugar, or glycogen, so it burns stored fat for energy.

From MarketWatch ● Oct. 16, 2026

Simply put, we know more than ever how to 'beat the wall' and to keep glycogen levels topped up throughout 26.2miles.

From BBC ● Apr. 27, 2026

Among the 23 ALS/FTD patients studied, 70% had elevated levels of this harmful glycogen.

From Science Daily ● Apr. 9, 2026

Unlike carbohydrates, which are stored in muscle and liver as glycogen, and fats, which are stored in adipose tissue, we have nowhere to store excess protein/amino acids.

From Salon ● Sep. 18, 2024

It stores sugar in the form of glycogen and releases it as glucose in carefully measured quantities to keep the blood sugar at a normal level.

From "Silent Spring" by Rachel Carson

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