vb, -at*ed  -at*ing vi  1  :  to become formed again  2  :  to undergo regeneration <the human bladder and liver can when injured>  vt  1  :  to generate or produce anew : esp  :  to replace (a body part) by a new growth of tissue  2  :  to produce again chemically sometimes in a physically changed form re*gen*er*a*ble adj 
 
 
 
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