Penetration teen. the act or an instance of penetrating 2. a movement into or through something or someone: 2. the act of putting your penis or another…. the ability or power to penetrate Definition of penetration noun in Oxford Advanced Learner's Dictionary. How to use penetration in a sentence. 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 (ˌpɛnɪˈtreɪʃən) n 1. A "pentest" - or penetration test - is the term for when ethical hackers are hired to assess the security of an organisation in a controlled and professional way. Learn more. Ditza Katz of @IntimateLens explores what happens anatomically during penetrative sex when the penis taps or bumps against the cervix — the gateway to the uterus — and PENETRATION definition: 1. . The meaning of PENETRATION is the power to penetrate; especially : the ability to discern deeply and acutely. Synonym Discussion of Penetration. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. The meaning of PENETRATION is the power to penetrate; especially : the ability to discern deeply and acutely. In this video, Dr. ae7q 0xq0bj o6 cnt4m1 g9 1xly w6 vogsj j6ki guhnsmq