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Webster's New World College Dictionary » penetration
penetration
penetration definition
pen·etra·tion (pen′i trā′s̸hən)
noun
- the act, power, or an instance of penetrating
- the act or an instance of inserting the penis into the vagina or anus
- the depth to which something penetrates, as a military force into enemy territory
- the extension of the influence of a country over a weaker one by means of commercial investments, loans, diplomatic maneuvers, etc.
- keenness of mind; discernment; insight
Etymology: LL penetratio
Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
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