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English definition of “permeate”

permeate

verb [I usually + adv/prep, T]     /ˈpɜː.mi.eɪt/ US  /ˈpɝː-/ formal
to spread through something and be present in every part of it: Dissatisfaction with the government seems to have permeated every section of society. A foul smell of stale beer permeated the whole building. The table has a plastic coating which prevents liquids from permeating into the wood beneath.Filling and completing
(Definition of permeate verb from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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