ablactation ablactation /ˌæblækˈteɪʃən/

noun

1. The act of substituting other food for the mother's milk in the diet of a child or young mammal  ( ablactation , weaning )
   the act of substituting other food for the mother's milk in the diet of a child or young mammal
   
2. The cessation of lactation  ( ablactation )
   the cessation of lactation