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.
© Webster 1913.
In*fil"trate, v. t.
To penetrate gradually; -- sometimes used reflexively.
J. S. Mill.
© Webster 1913.