DuckCorp Dico

Found one definition

1.                 From English - German Ding/FreeDict dictionary ver. 1.9-fd1:
                   
   
   
                   
                     
   leavening agents /lˈɛvənɪŋ ˈeɪdʒənts/
   Backtriebmittel <pl>, Triebmittel <pl>, Treibmittel <pl>, Teiglockerungsmittel <pl>
      Synonyms: raising agents, leavenings, leavens
    see: raising agent, leavening agent, leavening, leaven