1. Also called adenosine diphosphate, adenosinediphosphoric acid . Biochem. an ester of adenosine and pyrophosphoric acid, C 10 H 12 N 5 O 3 H 3 P 2 O 7 , derived from ATP, and serving to transfer energy during glycolysis.
2. automatic data processing: the processing of data by computers or related devices, using techniques that reduce human intervention to a minimum. Cf. EDP, IDP .
[ 1940-45 ]