There are multiple definitions:

1. generalized minimal residual(English)

   • GMRES
   • Statistics

2. geometric means ratio(English)

   • indicates if average bioavailabilities between test and reference products is within the bioequivalence limit of (80%, 125%) with 90% assurance based on log-transformed data
   • ABE, ANDA, BE, FDA, NDA, OTA, IYCF
   • Pharmacology / pharmaceutics, Safety and health, Standards, Ratio-based metric, Nutrition
   • https://doi.org….1002/wics.1310
   • https://doi.org…93/ajcn/nqab276