PERCOLATE

verb (-lated; -lating) see: per- Date: 1626 transitive verb 1. to cause (a solvent) to pass through a permeable substance (as a powdered drug) especially for extracting a soluble constituent, to prepare (coffee) in a percolator, to be diffused through ; penetrate , intransitive verb to ooze or trickle through a permeable substance ; seep , 2. to become ~d, to become lively or effervescent, to spread gradually , simmer 2a , percolation noun