Definition of permeate verb from the Oxford Advanced American Dictionary

     

    permeate

     verb
    verb
    NAmE//ˈpərmiˌeɪt//
     
    (formal)Verb Forms present simple I / you / we / they permeate
     
    he / she / it permeates
     
    past simple permeated
     
    -ing form permeating
     
     
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  1. 1[transitive, intransitive] (of a liquid, gas, etc.) to spread to every part of an object or a place permeate something The smell of leather permeated the room. The air was permeated with the odor of burning rubber. + adv./prep. rainwater permeating through the ground
  2. 2[transitive, intransitive] (of an idea, an influence, a feeling, etc.) to affect every part of something permeate something a belief that permeates all levels of society A feeling of unease permeates the novel. + adv./prep. Dissatisfaction among the managers soon permeated down to members of the workforce.
NAmE//ˌpərmiˈeɪʃn//
 
noun [uncountable] (formal)
See the Oxford Advanced Learner's Dictionary entry: permeate