percolate vb
1 to cause (a liquid) to pass through a fine mesh, porous substance, etc., or (of a liquid) to pass through a fine mesh, porous substance, etc.; trickle
rain percolated through the roof
2 to permeate; penetrate gradually
water percolated the road
3 (U.S.)
informal to become active or lively
she percolated with happiness
4 to make (coffee) or (of coffee) to be made in a percolator n
5 a product of percolation
(C17: from Latin percolare, from per + colare to strain, from colum a strainer; see colander)
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percolable adj
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percolation n
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percolative adj