DuckCorp

DuckCorp Dico

(RFC 2229 compliant dictionary server)
more options

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