DRI noun4 •Initialism of Dietary Reference Intake; a set of nutritional reference values including RDA, EAR, AI, UL and AMDR. •Initialism of directly responsible individual.At Apple there is never any confusion as to who is responsible for what. Internal Applespeak even has a name for it, the “DRI,” or directly responsible individual. — 2011 •Initialism of direct reduced iron •Initialism of declarative referential integrity. formsDRIs