Definition of infiltrations:
(n) :
The act of secretly entering a physical location and/or organization.
(n) :
The act or process of infiltrating, as of water into a porous substance, or of a fluid into the cells of an organ or part of the body.
(n) :
(hydrology, soil science) process by which water on the ground surface enters the soil.
(n) :
The substance which has entered the pores or cavities of a body.