There are multiple definitions:

1. quantitative disease resistance(English)

   • the most prevalent form of plant resistance in crop fields and wild habitats. Genome-wide association studies have proved to be successful in deciphering the quantitative genetic basis of complex traits
   • GWAS, QTL
   • Genomics
   • https://doi.org…plc.2023.100607

2. quantitative digital radiography(English)

   • BMD, DPA, SPA
   • Medical imaging
   • https://doi.org…1211(98)00077-1