junction Hear it!

junction definition

junc·tion (juŋk′s̸hən)

noun

  1. a joining or being joined
  2. a place or point of joining or crossing, as of highways or railroads
  3. an interface between materials having different characteristics, as the pn junction in a semiconductor or the boundary between two metals in a thermocouple

Etymology: L junctio < jungere, to join

Related Forms:

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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