permeate
UK /ˈpɜːmiˌeɪt/ · US /ˈpɝmiˌeɪ̯t/ verb, noun
Forms permeates permeating permeated
- verb (transitive) To pass through the pores or interstices of; to penetrate and pass through without causing rupture or displacement; applied especially to fluids which pass through substances of loose texture “water permeates sand”
- verb (transitive) To enter and spread through; to pervade. “Bright sunshine permeates the room on a sunny day.”
- noun A watery by-product of milk production.
- noun Liquid that has passed through a filtration system.
Synonyms
impregnate perfuse pervade penetrate interpenetrate diffuse imbue riddle percolate sink in filter
Etymology
First attested in 1656; borrowed from Latin permeātus, perfect passive participle of permeō (“to pass through”), see -ate (verb-forming suffix) and -ate (noun-forming suffix).
Webster’s 1913
- verb To pass through the pores or interstices of; to penetrate and pass through without causing rupture or displacement; --applied especially to fluids which pass through substances of loose texture; as, water permeates sand. Woodward.
- verb To enter and spread through; to pervade.
Etymology [L. permeatus, p.p. of permeare to permeate; per + meare to go, pass.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “permeate”, CC BY-SA 4.0. Details