Meaning of PENETRATION in English

PENETRATION

/ ˌpenɪˈtreɪʃn; NAmE / noun [ U ]

1.

the act or process of making a way into or through sth :

The floor is sealed to prevent water penetration.

the company's successful penetration of overseas markets

2.

the act of a man putting his penis into his partner's vagina or anus

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WORD ORIGIN

late Middle English : from Latin penetratio(n-) , from the verb penetrare place within or enter.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.