infiltration

• Nom désignant le fait de s'introduire secrètement dans un territoire, une organisation ou un système, ainsi que la pénétration progressive d'un liquide à travers un matériau poreux.

A noun referring to the process of secretly entering or gaining access to an area, organization, or system, or the gradual passage of a liquid through a porous material.

indénombrable

1. Secret entryB2formalpolitical

   The act of covertly entering a place or group to gather information or influence, especially in a military or espionage context.

   Infiltration (entrée secrète)

   • The spy was trained in infiltration techniques.
   • The enemy's infiltration of our network went undetected for months.
   • Special forces conducted a nighttime infiltration into the compound.
   • The government feared infiltration of its intelligence agencies.

   Synonymesincursioninsinuationintrusionpenetration

2. Liquid percolationB2formalscientific

   The slow passage of a liquid through a porous material or filter, often occurring in natural or industrial processes.

   Infiltration (percolation de liquide)

   • Water infiltration into the soil is crucial for groundwater recharge.
   • The filter allows gradual infiltration of the solution.
   • Infiltration of rainwater through the pavement can cause erosion.
   • The process of infiltration is used in water purification systems.

   Synonymesfiltrationpercolationpermeationseepage