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Definition penetration in British English

penetration noun

[uncountable] noun
/ˌpenəˈtreɪʃ(ə)n/
1

a sexual act in which a man puts his penis into his partner's vagina or anus

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2

the act of getting into a place or group

Example

This was in the days before the organization's penetration into African markets.

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Example

The fabric could be damaged by water penetration.

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Definition penetration in British English