Main Entry: per·me·ate

Pronunciation: \ˈpər-mē-ˌāt\

Function: verb

Inflected Form(s): per·me·at·ed; per·me·at·ing

Etymology: Latin permeatus, past participle of permeare, from per- through + meare to go, pass; akin to Middle Welsh mynet to go, Czech míjet to pass

Date: 1656

intransitive verb : to diffuse through or penetrate somethingtransitive verb 1 : to spread or diffuse through <a room permeated with tobacco smoke>
2 : to pass through the pores or interstices of

— per·me·ative \-ˌā-tiv\ adjective