ESR: Meaning and Definition of

ESR

Pronunciation: [key]
  1. erythrocyte sedimentation rate: the rate at which red blood cells settle in a column of blood, serving as a diagnostic test.
  2. electron spin resonance.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also:
  • esr (Thesaurus)