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Definition of Penetration

Babylon English

passing into, piercing, permeation; understanding; comprehension
Penetration Definition from Language, Idioms & Slang Dictionaries & Glossaries
Webster's Revised Unabridged Dictionary (1913)
The act or process of penetrating, piercing, or entering; also, the act of mentally penetrating into, or comprehending, anything difficult.
Acuteness; insight; sharp discoverment; sagacity; as, a person of singular penetration.
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter. About
hEnglish - advanced version

\pen"e*tra`tion\ (?), n. [l. penetratio: cf. f. pénétration.]
1. the act or process of penetrating, piercing, or entering; also, the act of mentally penetrating into, or comprehending, anything difficult. and to each in ward part, with gentle penetration, though unseen, shoots invisible virtue even to the deep. a penetration into the difficulties of algebra.
2. acuteness; insight; sharp discoverment; sagacity; as, a person of singular penetration.

for Vocabulary Exams of KPDS, YDS,UDS (in Turkey); and SAT in America
WordNet 2.0

1. an attack that penetrates into enemy territory
(synonym) incursion
(hypernym) attack, onslaught, onset, onrush
(hyponym) interpenetration
2. clear or deep perception of a situation
(synonym) insight
(hypernym) perception
(derivation) penetrate, fathom, bottom
3. the act of entering into or through something; "the penetration of upper management by women"
(hypernym) entrance, entering, entry, ingress, incoming
(hyponym) interpenetration, permeation
4. the ability to make way into or through something; "the greater penetration of the new projectiles will result in greater injuries"
(hypernym) ability
(derivation) penetrate
5. the depth to which something penetrates (especially the depth reached by a projectile that hits a target)
(hypernym) depth
6. the act (by a man) of inserting his penis into the vagina of a woman
(hypernym) sexual intercourse, intercourse, sex act, copulation, coitus, coition, sexual congress, congress, sexual relation, relation, carnal knowledge
(derivation) penetrate
Penetration Definition from Business & Finance Dictionaries & Glossaries
Public Service Advertising Glossary
The number of individuals who are actually exposed to the advertising medium.

Context: Print & Radio Advertising
© 2006 PSA Research Center, brought to you by Goodwill Communications
Penetration Definition from Government Dictionaries & Glossaries
DOD Dictionary of Military Terms
(*) In land operations, a form of offensive which seeks to break through the enemy’s defense and disrupt the defensive system.
Source: U.S. Department of Defense, Joint Doctrine Division. ( About )
Rabintex Ballistic Dictionary
See PP, CP
Penetration Definition from Science & Technology Dictionaries & Glossaries
General Chemistry Glossary
Compare with shielding .Electrons in penetrating orbitals can reach the nucleus. The n and quantum numbers determine how well an orbital penetrates. Lower n and lower values mean better penetration. A low n value means the orbital is small. A low value means the orbital has fewer nuclear nodes (planes that pass through the nucleus where the probability of locating the electron is zero).
In order of decreasing penetration, the subshells are s > p > d > f. A 1s orbital penetrates better than a 2s orbital.
Telecommunication Standard Terms
1. The passage through a partition or wall of an equipment or enclosure by a wire, cable, or other conductive object. (188 ) 2. [The] unauthorized act of bypassing the security mechanisms of a cryptographic system or AIS. [NIS] 3. The passage of a radio frequency through a physical barrier, such as a partition, a wall, a building, or earth.
Penetration Definition from Encyclopedia Dictionaries & Glossaries
English Wikipedia - The Free Encyclopedia
Penetration may refer to:
  • Market penetration or brand penetration, the degree to which a product or service is known and/or used
  • Penetration depth of light or any electromagnetic radiation.
  • Penetration (telecommunications)
  • Penetrating trauma
  • Penetration (warfare)
  • Penetration (weapons), the ability to pierce the target's armor or other protection
  • Penetration (firestop), an opening in a wall or floor assembly required to have a fire-resistance rating, for the purpose of accommodating the passage of a mechanical, electrical, or structural penetrant
  • In roofing, pipes, conduits, HVAC supports passing through the roof
  • In basketball, the ability of a player to drive through the opposition's defense
  • In magic, an illusion in which one object appears to pass through another
  • Sexual penetration, a term which may mean sexual intercourse in general or,
    • in some jurisdictions, a criminal charge related to various sexual offences

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Penetration Definition from Medicine Dictionaries & Glossaries
Hepatitis Central (TM) Liver Disease Medical Glossary
The stage of viral replication at which the virus genome enters the cell