DuckCorp Dico

Found one definition

1.                 From fr.wiktionary.org:
                   
   
   
                   
                     
   
   ** [de]
   
   *** [étymologie]
    Du [la]
   *** [nom]
   [de-nom-f-sing] AZIDITÄT [at͡sidiˈtɛːt] [f], [de]
   
    1. [chimie]  Acidité .
    2. * [lang=de]
   **** [variantes orthographiques]
   
    - Acidität
   *** [prononciation]
   
    - [lang=de]
   [aziditat]