Main Entry: ¹in·fil·trate

Pronunciation: \in-ˈfil-ˌtrāt, ˈin-(ˌ)\

Function: verb

Inflected Form(s): in·fil·trat·ed; in·fil·trat·ing

transitive verb

1 : to cause (as a liquid) to permeate something by penetrating its pores or interstices <infiltrate tissue with a local anesthetic>
2 : to pass into or through (a substance) by filtering or permeating

intransitive verb

: to enter, permeate, or pass through a substance or area