Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “penetration”

See all translations

penetration

noun [U] uk   /ˌpen.ɪˈtreɪ.ʃən/ us  

penetration noun [U] (MOVEMENT INTO)

a movement into or through something or someone: Sunscreens can help reduce the penetration of ultraviolet rays into the skin. The company is trying to increase its penetration of the market. the act of a man putting his penis into his partner's body during sex

penetration noun [U] (UNDERSTANDING)

formal someone's ability to understand quickly and well
Translations of “penetration”
in Chinese (Traditional) 穿透, 進入, (性交時陰莖的)插入…
in Chinese (Simplified) 穿透, 进入, (性交时阴茎的)插入…
(Definition of penetration from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of penetration?
Add Cambridge dictionaries to your browser to your website

Definitions of “penetration” in other dictionaries

Word of the Day

christmassy

typical of Christmas, or happy because it is Christmas

Word of the Day

Cleavage proves divisive in Cambridge’s words of 2014

by Alastair Horne,
December 19, 2014
​​​​ Other dictionaries may choose faddish novelties as their words of the year, but here at Cambridge, we like to do something different. We look for the words that have seen sudden surges in searches over the course of the year – words that have been baffling users of English and driven them

Read More 

cinderella surgery noun

December 15, 2014
cosmetic surgery to the feet We have all heard of people having nose jobs, boob jobs and liposuction – but now a new trend growing in popularity in America: Cinderella surgery.

Read More