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Definition of "penetration" []

  • The act or process of piercing or penetrating something, especially: (noun)
  • The act of entering a country or organization so as to establish influence or gain information. (noun)
  • An attack that penetrates enemy territory or a military front. (noun)
  • Insertion of the penis into the vagina or anus. (noun)
  • The power or ability to penetrate. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "penetration" in a sentence
  • ""What I mean by 'penetration' is the fact that half the reason I don't like comic books is because I'd be flipping embarrassed to tell people about it if I did.""
  • "Its market penetration is a drop in an ocean of increasingly complex mobile computing devices."
  • "Everyone else (who, in fairness, are often not publishing games as their sole source of support) doubtless have their own concerns over PDF piracy, but are in a position where they almost have to regard it as “free” advertising, simply because their effective market penetration is so low."