Definition of RDA in English:
RDA
abbreviationaːdiːˈɛiˈˌɑr ˈˌdi ˈeɪ
1Recommended daily (or dietary) allowance, the quantity of a particular nutrient which should be consumed daily in order to maintain good health.
2(in the UK) Regional Development Agency.
Definition of RDA in US English:
RDA
abbreviationˈˌɑr ˈˌdi ˈeɪ
Recommended daily (or dietary) allowance, the quantity of a particular nutrient thatshould be consumed daily in order to maintain good health.