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phosphagen

[ fos-fuh-juhn, -jen ]

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.


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Word History and Origins

Origin of phosphagen1

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

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phosph-phosphamidon