Infiltration may refer to:
Science, medicine, and engineering
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Infiltration (hydrology)
Infiltration is the process by which water on the ground surface enters the soil. It is commonly used in both hydrology and soil sciences. The infiltration capacity is defined as the maximum rate of infiltration. It is most often measured in meter ...
, downward movement of water into soil
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Infiltration (HVAC) Infiltration is the unintentional or accidental introduction of outside air into a building, typically through cracks in the building envelope and through use of doors for passage. Infiltration is sometimes called air leakage. The leakage of room ...
, a heating, ventilation, and air conditioning term for air leakage into buildings
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Infiltration (medical)
Infiltration in a medical context is the process of cells or substances moving across a barrier, typically a tissue barrier, into a place they are not normally found, or in which they are typically found in lower concentrations. Infiltration may r ...
, the diffusion or accumulation of substances or cells not normal to it or in amounts in excess of the normal
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Infiltration/Inflow Infiltration and inflow (I/I or I&I) is the process of groundwater, or water from sources other than domestic wastewater, entering sanitary sewers. I/I causes dilution in sanitary sewers, which decreases the efficiency of treatment, and may cause se ...
, leakage of groundwater into sanitary sewers
Art
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''Infiltration'' (2017 film), a Canadian film
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Infiltration (2022 film), Russian war drama film
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"Infiltration" (''Star Wars: The Bad Batch'')
Other uses
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Entryism
Entryism (also called entrism, enterism, infiltration, a French Turn, boring from within, or boring-from-within) is a political strategy in which an organization or state encourages its members or supporters to join another, usually larger, organiz ...
, the infiltration by a political organisation of another, usually larger, organisation
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espionage
Espionage, spying, or intelligence gathering, as a subfield of the intelligence field, is the act of obtaining secret or confidential information ( intelligence). A person who commits espionage on a mission-specific contract is called an ...
, using
double agent
In the field of counterintelligence, a double agent is an employee of a secret intelligence service for one country, whose primary purpose is to spy on a target organization of another country, but who is now spying on their own country's organi ...
s to join an enemy organization
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Infiltration tactics
In warfare, infiltration tactics involve small independent light infantry forces advancing into enemy rear areas, bypassing enemy frontline strongpoints, possibly isolating them for attack by follow-up troops with heavier weapons. Soldiers ...
, tactics developed by the German army in early 1915 that broke the trench-warfare stalemate on the western front
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Urban exploration
Urban exploration (often shortened as UE, urbex, and sometimes known as roof and tunnel hacking) is the exploration of manmade structures, usually abandoned ruins or hidden components of the manmade environment. Photography and historical inte ...
, exploring parts of towns, etc. which are normally off-limits
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''Infiltration'' (zine), a popular urban exploration zine/website created by Jeff Chapman (Ninjalicious)
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Seon-Woo Lee (born 1985), professional electronic sports players, specializing in fighting games, who plays under the alias Infiltration
See also
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Infiltrator (disambiguation)
{{disambiguation