In‐fil″trate (?), v. i. [imp. & p. p.Infiltrated (?); p. pr. & vb. n.Infiltrating (?).] [Pref. in- + filtrate: cf. F, s'infiltrer. Cf. Infilter.] To enter by penetrating the pores or interstices of a substance; to filter into or through something.
The water infiltrates through the porous rock. Addison.