(Named after the brightest star in Hydra) A Pascal-like language developed by Wulf, Shaw and London of CMU in 1974. Alphard supports dATa abstraction using the ' form' , which combines a specificATion and an implementATion. ["Abstraction and VerificATion in Alphard: Defining and Specifying IterATion and GenerATors", Mary Shaw, CACM 20(8):553-563, Aug 1977]. (1995-05-10)