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phosphagen

American  
[fos-fuh-juhn, -jen] / ˈfɒs fə dʒən, -ˌdʒɛn /

noun

Biochemistry.

  1. a high-energy phosphoric ester that serves as a reservoir of phosphate-bond energy, as phosphocreatine in vertebrates and phosphoarginine in invertebrates.

Etymology

Origin of phosphagen

First recorded in 1925–30; phospha(te) + -gen

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.