|a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.|
|a gadget; dingus; thingumbob.|
|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 |
infiltrate in·fil·trate (ĭn-fĭl'trāt', ĭn'fĭl-)
v. in·fil·trat·ed, in·fil·trat·ing, in·fil·trates
To cause a liquid to permeate a substance by passing through its interstices or pores.
To permeate a porous substance with a liquid or gas.