in·fil·trate /ɪnˈfɪlˌtret, ˈɪn(ˌ)/
in·fil·trate /ɪnˈfɪlˌtret, ˈɪn(ˌ)/ 動詞
In·fil·trate v. i. [imp. & p. p. Infiltrated p. pr. & vb. n. Infiltrating ]
1. 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.
In·fil·trate, v. t. To penetrate gradually; -- sometimes used reflexively.
v 1: cause (a liquid) to enter by penetrating the interstices
2: enter a group or organization in order to spy on the
members; "The student organization was infiltrated by a
traitor" [syn: penetrate]
3: pass into or through by filtering or permeating; "the
substance infiltrated the material"
4: pass through an enemy-line; in a military conflict [syn: pass