1. The act of entering into or through something
   "the penetration of upper management by women"
    
2. The ability to make way into or through something
   "the greater penetration of the new projectiles will result in greater injuries"
    
3. The depth to which something penetrates (especially the depth reached by a projectile that hits a target)
   "The armour's penetration resistance was tested using various projectiles"
    
4. An attack that penetrates into enemy territory
   "The special forces made a deep penetration behind enemy lines";
   - incursion
    
5. The extent to which a product is recognized and bought by customers in a particular market
   "The new smartphone achieved significant market penetration within its first year";
   - market penetration
    
6. Clear or deep perception of a situation
   "His penetration of the complex issue impressed the board members";
   - insight
    
7. The act (by a man) of inserting his penis into the vagina of a woman
   "Sexual education often includes discussions about penetration"

Derived forms: penetrations

Type of: ability, attack, carnal knowledge, coition, coitus, copulation, deepness, depth, entrance, entry, incoming, ingress, intercourse, onrush, onset, onslaught, perception, relation, sex act, sexual congress, sexual intercourse, sexual relation

Encyclopedia: Penetration