A lot vs. Alot: 9 Grammatical Pitfalls
percolate per·co·late (pûr'kə-lāt')
v. per·co·lat·ed, per·co·lat·ing, per·co·lates
To cause a liquid to pass slowly through a porous substance or small holes; filter.
To drain or seep through.
To cause a solvent liquid to pass through a mixture, such as a powdered drug, so as to extract the soluble portion.
[all senses fr the coffee-making device; sense of ''run well,'' for example, fr the steady cheery bubbling of the coffeemaker]