phosphoenolpyruvic acid

[fŏs′fō-ē′nôl-pī-rōōvĭk, -pĭ-]
n.
  1. The phosphoric ester of the enol form of pyruvic acid that is an intermediate in the conversion of glucose to pyruvic acid.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.