infiltration

uncountable

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.

ruСуществительное, обозначающее процесс тайного проникновения или получения доступа к территории, организации или системе, а также постепенное прохождение жидкости через пористый материал.esSustantivo que designa el proceso de introducirse o colarse secretamente en un territorio, organización o sistema, así como el paso gradual de un líquido a través de un material poroso.frNom 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.deSubstantiv, das das heimliche Eindringen oder Sich-Zugang-Verschaffen zu einem Gebiet, einer Organisation oder einem System bezeichnet, sowie das allmähliche Durchdringen einer Flüssigkeit durch ein poröses Material.ptSubstantivo que designa o processo de entrar ou obter acesso secreto a um território, organização ou sistema; também se refere à passagem gradual de um líquido através de um material poroso.zh指秘密渗透或潜入某个地区、组织或系统的过程，也指液体逐渐渗过多孔材料的过程。arاسم يدل على عملية التسلل أو الدخول السري إلى أرض أو منظمة أو نظام، وعلى تسرب السائل تدريجياً عبر مادة مسامية.

1. Secret entry B2 formal political

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

   • 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.

   ruТайное проникновениеesInfiltración secretafrInfiltration (entrée secrète)deGeheime UnterwanderungptEntrada secretazh秘密渗透arالتسلل السري

   Synonyms: incursioninsinuationintrusionpenetration

2. Liquid percolation B2 formal scientific

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

   • 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.

   ruПросачивание жидкостиesInfiltración de líquidosfrInfiltration (percolation de liquide)deDurchsickern von FlüssigkeitptInfiltração de líquidozh液体渗透arتسرب السوائل

   Synonyms: filtrationpercolationpermeationseepage

• infiltrations plural form
• infiltrations' possessive plural form
• infiltration's possessive singular form