DuckCorp

DuckCorp Dico

(RFC 2229 compliant dictionary server)

Found one definition

  1.                 From English - German Ding/FreeDict dictionary ver. 1.9-fd1:
                    

    diac /dˈaɪək/ Zweirichtungsthyristordiode <fem>, Diac <masc> [electr.] Synonyms: bidirectional diode thyristor, diode AC switch