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1.                 From English-Hindi FreeDict Dictionary ver. 1.6:
                   
   
   
                   
                     
   ferment /fɜːmˈɛnt/ <V>
   1. ख़मीर~उठाना
         "Flour is fermented with yeast to make bread."
   2. उत्तेजित~करना
         "Trouble was being fermented in masses due to bad governence by the state government."
         "By giving inflamatory speech, the leader fermented anger of the crowd."