Junction definitions

jŭngk'shən
The definition of a junction is a place where things join or cross.

An example of a junction is where one highway crosses another.

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The act or process of joining or the condition of being joined.
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A place where two things join or meet, especially a place where two roads or railway routes come together and one terminates.
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A transition layer or boundary between two different materials or between physically different regions in a single material, especially:
  • A connection between conductors or sections of a transmission line.
  • The interface between two different semiconductor regions in a semiconductor device.
  • A mechanical or alloyed contact between different metals or other materials, as in a thermocouple.
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A joining or being joined.
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A place or point of joining or crossing, as of highways or railroads.
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An interface between materials having different characteristics, as the pn junction in a semiconductor or the boundary between two metals in a thermocouple.
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The point at which two elements make contact. In a transistor, a junction is the point where an N-type material makes contact with a P-type material.
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The act of joining, or the state of being joined.
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A place where two things meet, especially where two roads meet.
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The boundary between two physically different materials, especially between conductors, semiconductors, or metals.
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(nautical) The place where a distributary departs from the main stream.
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Origin of junction

Latin iūnctiō iūnctiōn- from iūnctus past participle of iungere to join yeug- in Indo-European roots