per ‧ co ‧ late /ˈpɜːkəleɪt $ ˈpɜːr-/ BrE AmE verb
[ Date: 1600-1700 ; Language: Latin ; Origin: past participle of percolare 'to put through a sieve' ]
1 . [intransitive] if an idea, feeling, or piece of information percolates through a group, it gradually spreads
percolate through/down
The message has begun to percolate through the organization.
These ideas were slow to percolate.
2 . [intransitive always + adverb/preposition] if liquid, light, or air percolates somewhere, it passes slowly through a material that has very small holes in it
percolate through/down/into
Rainwater percolates down through the rock.
3 . [intransitive and transitive] ( also perk ) if coffee percolates, or if you percolate it, you make it in a special pot in which hot water goes up through a tube and then passes down through crushed coffee beans
—percolation /ˌpɜːkəˈleɪʃ ə n $ ˌpɜːr-/ noun [uncountable and countable]