DuckCorp Dico

Found one definition

1.                 From English - German Ding/FreeDict dictionary ver. 1.9-fd1:
                   
   
   
                   
                     
   mechanism of action /mˈɛkənˌɪzəm ɒv ˈakʃən/ (MOA /mˈəʊə/)
   Wirkmechanismus <masc>, Wirkungsweise <fem>, Wirkungsmechanismus <masc> [pharm.]
            Note: eines Medikaments
    see: mechanisms of action
            Note: of a drug