Hypertext Webster Gateway: "infiltrating"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Infiltrate \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.
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