Category:Infiltrate

In*fil"trate, v. i. [imp. & p. p. Infiltrated; p. pr. & vb. n. Infiltrating.] Etym: [Pref. in- + filtrate: cf. F, s'infiltrer. Cf. Infilter.]

Defn: 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.

infiltrate In*fil"trate, v. t.

Defn: To penetrate gradually; -- sometimes used reflexively. J. S. Mill.