Definition of Penetration

1. Noun. An attack that penetrates into enemy territory.

Exact synonyms: Incursion
Generic synonyms: Attack, Onrush, Onset, Onslaught
Specialized synonyms: Interpenetration, Breakthrough, Invasion, Infiltration, Foray, Maraud, Raid

2. Noun. Clear or deep perception of a situation.
Exact synonyms: Insight
Generic synonyms: Perception
Derivative terms: Penetrate

3. Noun. The act of entering into or through something. "The penetration of upper management by women"

4. Noun. The ability to make way into or through something. "The greater penetration of the new projectiles will result in greater injuries"
Generic synonyms: Ability
Derivative terms: Penetrate

5. Noun. The depth to which something penetrates (especially the depth reached by a projectile that hits a target).
Generic synonyms: Deepness, Depth

6. Noun. The act (by a man) of inserting his penis into the vagina of a woman.

Definition of Penetration

1. n. The act or process of penetrating, piercing, or entering; also, the act of mentally penetrating into, or comprehending, anything difficult.

Definition of Penetration

1. Noun. The act of penetrating something. (defdate from 15th c.) ¹

2. Noun. Specifically, the insertion of the penis (or similar object) during sexual intercourse. (defdate from 17th c.) ¹

3. Noun. The act of penetrating a given situation with the mind or faculties; perception, discernment. (defdate from 17th c.) ¹

¹ Source:

Definition of Penetration

1. [n -S]

Medical Definition of Penetration

1. The act of piercing or entering deeply. Origin: L. Penetratio This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Penetration Pictures

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Lexicographical Neighbors of Penetration

penetrating injury
penetrating keratoplasty
penetrating trauma
penetrating ulcer
penetrating wound
penetration bomb
penetration test
penetration tests

Literary usage of Penetration

Below you will find example usage of this term as found in modern and/or classical literature:

1. The Encyclopædia of Evidence by Edgar Whittlesey Camp, John Finley Crowe (1907)
"penetration may be proved by direct or circumstantial evidence like any other fact.4 Expert Evidence. — A physician may testify as to whether in his opinion ..."

2. Report of the Annual Meeting (1869)
"The gun used was the 1-pounder, from which all the former experiments were made previous to the first penetration of 4-in. armour from his 70-pounder rifled ..."

3. Journal of the American Chemical Society by American Chemical Society (1895)
"On the other hand no reactions were obtained which are said to be characteristic of wines colored with vegetable pigments. THE penetration ..."

4. English Synonyms Explained, in Alphabetical Order: With Copious by George Crabb (1818)
"penetration, ACUTENESS, SAGACITY. As characteristics of mind, these terms have much more in them in which they differ than in what they ..."

5. Phytopathology by American Phytopathological Society (1917)
"He states that the best season' for thorough penetration by this method is autumn. It is doubtful as to the meaning of the expression "thorough penetration" ..."

6. Bulletin by National Canners Association (1917)
"Diagram showing the rate of heat penetration in tomatoes and tomato pulp (1.031) when rolling and standing. No. 2J^ cans. No. 1, tomatoes rolling; No. ..."

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