Infiltration

Definitions

1. 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.
   countable, uncountable
2. process by which water on the ground surface enters the soil.
   countable, uncountable
3. The substance which has entered the pores or cavities of a body.
   countable, uncountable
4. The act of secretly entering a physical location and/or organization.
   countable, uncountable

Equivalents

Examples

“calcareous infiltrations filling the cavities”

“No one should be under any illusions about the objective of the Communist Party leadership: it’s long-term, systematic infiltration of social organisations, media and government. By the time China’s infiltration of Australia is readily apparent, it will be too late.”

CEFR level