definition of
penetration

[1] #1 penetration n. [incursion] an attack that penetrates into enemy territory. wn

[2] #2 penetration n. [insight] clear or deep perception of a situation. wn

[3] #3 penetration n. the act of entering into or through something; "the penetration of upper management by women". wn

[4] #4 penetration n. the ability to make way into or through something; "the greater penetration of the new projectiles will result in greater injuries". wn

[5] #5 penetration n. the depth to which something penetrates (especially the depth reached by a projectile that hits a target). wn