DuckCorp Dico

Found one definition

1.                 From English - German Ding/FreeDict dictionary ver. 1.9-fd1:
                   
   
   
                   
                     
   hertz /hˈɜːts/ (Hz /ˌeɪtʃzˈɛd/)
   Hertz [phys.] Hz,  /ˌeɪtʃzˈɛd/
            Note: Einheit für die Frequenz
            Note: unit of frequency