junction
  • A place where things join or meet. Also, the act of joining or meeting.
  • A point in a circuit where two or more conductors meet. For instance, a connection point between sections of a transmission line.
  • A layer or boundary which serves as the interface between semiconductor regions with different properties. For example, a pn junction. Also called semiconductor junction. Also, a similar interface between a semiconductor and a metal.
  • A layer or boundary which serves as the interface between materials, or regions within a single material, with different physical properties. For instance, such a junction in a thermocouple.
  • A fitting which serves to join one waveguide section with another. Also called waveguide junction.

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