Main Entry: rec·om·mend·ed dai·ly al·low·ance

Pronunciation: \ˌrek-ə-ˌmend-əd-ˌdā-lē-ə-ˈlau̇-ən(t)s\

Function: noun

Usage: often capitalized R&D&A

: the amount of a nutriment (as a vitamin or mineral) that is recommended for daily consumption by the Food and Nutrition Board of the National Academy of Sciences—abbreviation RDA