- The act of entering a country or organization so as to establish influence or gain information.
- An attack that penetrates enemy territory or a military front.
An example of penetration is the distance that a military force enters into enemy territory.
An example of penetration is the amount that a student actually learned during the math lesson.
An example of penetration is the awareness of a product in a new market.
Any penetration, however slight, is sufficient to complete the offense.
Other Word Forms
Origin of penetration
- From Middle French pénétration, and its source, Latin penetrātiō, from the participle stem of penetro (“pierce").