WordReference Random House Learner's Dictionary of American English © 2020
mas•ti•cate /ˈmæstɪˌkeɪt/USA pronunciation   v.,  -cat•ed, -cat•ing. 
  1. to chew (food): [+ object]masticating their crunchy cereal noisily.[no object]noisily masticating during breakfast.
mas•ti•ca•tion /ˌmæstɪˈkeɪʃən/USA pronunciation  n. [uncountable]

WordReference Random House Unabridged Dictionary of American English © 2020
mas•ti•cate  (masti kāt′),USA pronunciation v.t., v.i.,  -cat•ed, -cat•ing. 
  1. to chew.
  2. to reduce to a pulp by crushing or kneading, as rubber.
mas•ti•ca•ble  (masti kāt′),USA pronunciation adj.  mas′ti•cation, n. 
masti•ca′tor, n. 
  • Late Latin masticātus, past participle of masticāre to chew. See mastic, -ate1
  • 1640–50;

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