Definition of percolation noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//ˌpɜːkəˈleɪʃn//
    ; NAmE NAmE//ˌpɜːrkəˈleɪʃn//
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  1. 1the process of a liquid, gas, etc. moving gradually through a surface that has very small holes or spaces in it The tiles seal off the soil and prevent water percolation.
  2. 2the process of becoming known or spread through a group or society Eco-tourism will help percolation of money to the local level and help the community.
  3. 3the process of making coffee in a percolator