Noun: infiltration ,in,fil'trey-shun or ,in-ful'trey-shun
- (military) a process in which individuals (or small groups) penetrate an area (especially the military penetration of enemy positions without detection)
"The spies used infiltration techniques to gather intelligence"
- The slow passage of a liquid through a filtering medium
"the infiltration of seawater through the lava";
- percolation
Derived forms: infiltrations
Type of: filtration, incursion, penetration
Encyclopedia: Infiltration, The set trap