|1.||a place where several routes, lines, or roads meet, link, or cross each other: a railway junction|
|2.||a point on a motorway where traffic may leave or join it|
|a. a contact between two different metals or other materials: a thermocouple junction|
|b. a transition region between regions of differing electrical properties in a semiconductor: a p-n junction|
|4.||a connection between two or more conductors or sections of transmission lines|
|5.||the act of joining or the state of being joined|
|[C18: from Latin junctiō a joining, from junctus joined, from jungere to join]|
junction junc·tion (jŭngk'shən)
The act or process of joining or the condition of being joined.
A place where two things join or meet, especially a place where two things come together and one terminates.
A transition layer or boundary between two different materials or between physically different regions in a single material.