Penetration

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Penetration may refer to:

Science and technology[edit]

  • Passage through a partition or wall by a wire, cable, or other electrically conductive object
  • Penetration (firestop), an opening in a wall or floor assembly required to have a fire-resistance rating, for the purpose of accommodating the passage of a mechanical, electrical, or structural penetrant
  • Penetration (weapons), the ability to pierce the target's armor or other protection
  • Penetration depth of light or any electromagnetic radiation in a physical medium
  • Penetrating trauma, injury that occurs when an object pierces the skin and enters a tissue of the body
  • In roofing, pipes, conduits, and HVAC supports passing through the roof
  • An unauthorized act of bypassing access control mechanisms

Arts and media[edit]

Other uses[edit]

  • Penetration (warfare), the breaching of, and moving past, a defensive military line
  • Market penetration or brand penetration, the degree to which a product or service is known and/or used
  • Sexual penetration, or sexual intercourse
    • in some jurisdictions, a criminal charge related to various sexual offences
  • In basketball, the ability of a player to drive through the opposition's defense
  • In magic, an illusion in which one object appears to pass through another

See also[edit]

 This article incorporates public domain material from the General Services Administration document "Federal Standard 1037C" (in support of MIL-STD-188).