Phosphagen

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Any of a class of energy storage compounds, chiefly found in muscular tissue in animals, allowing a high-energy phosphate pool to be maintained in a concentration range, which, if it all were ATP, would create problems due to the ATP consuming reactions in these tissues.

Etymology

From phosphate + -gen.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.