Penetration

Penetration may refer to:

Penetration depth of light or any electromagnetic radiation.
Market penetration or brand penetration, the degree to which a product or service is known and/or used
Penetrating trauma
Sexual penetration, a term which may mean
- sexual intercourse in general or,
- in some jurisdictions, a criminal charge related to various sexual offences.
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 (telecommunications)
Penetration (warfare)
Penetration (weapons), the ability to pierce the target's armor or other protection
In magic, an illusion in which one object appears to pass through another
In basketball, the ability of a player to drive through the opposing defense
In roofing, pipes, conduits, HVAC supports passing through the roof.

In popular culture