DuckCorp

DuckCorp Dico

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Found one definition 

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

    
                
                  
    Tonus /tˈoːnʊs/ <masc, n, sg>
tone <n>
   Synonym: Spannung
    

     see: Toni