infiltration(noun)

a process in which individuals (or small groups) penetrate an area (especially the military penetration of enemy positions without detection)

percolation, infiltration(noun)

the slow passage of a liquid through a filtering medium

"the percolation of rainwater through the soil"; "the infiltration of seawater through the lava"

infiltration(Noun)

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.

infiltration(Noun)

The substance which has entered the pores or cavities of a body.

infiltration(Noun)

The act of entering a physical location and/or organization secretly.

Infiltration(noun)

the act or process of infiltrating, as if water into a porous substance, or of a fluid into the cells of an organ or part of the body

Infiltration(noun)

the substance which has entered the pores or cavities of a body

infiltration

1. The movement through or into an area or territory occupied by either friendly or enemy troops or organizations. The movement is made, either by small groups or by individuals, at extended or irregular intervals. When used in connection with the enemy, it implies that contact is avoided. 2. In intelligence usage, placing an agent or other person in a target area in hostile territory. Usually involves crossing a frontier or other guarded line. Methods of infiltration are: black (clandestine); grey (through legal crossing point but under false documentation); and white (legal).