|1.||to undergo or cause to undergo the process in which a fluid passes into the pores or interstices of a solid; permeate|
|2.||military to pass undetected through (an enemy-held line or position)|
|3.||to gain or cause to gain entrance or access surreptitiously: they infiltrated the party structure|
|4.||something that infiltrates|
|5.||pathol any substance that passes into and accumulates within cells, tissues, or organs|
|6.||pathol a local anaesthetic solution injected into the tissues to cause local anaesthesia|
|[C18: from |
|Part of Speech:||n|
|Definition:||See urban exploration|
infiltration in·fil·tra·tion (ĭn'fĭl-trā'shən)
The act or process of infiltrating.
The state of being infiltrated.
The gas, fluid, or dissolved matter that has entered a substance, cell, or tissue.