infiltration

nouns

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

infiltration

is derived from

is derived from

domain category

the military forces of a nation

"their military is the largest in the region"; "the military machine is the same one we faced in 1991 but now it is weaker"

is a type of (narrower)

an attack that penetrates into enemy territory

the slow passage of a liquid through a filtering medium

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

is derived from

is derived from