junction

play
noun junc·tion \ˈjəŋ(k)-shən\

Definition of junction

  1. 1 :  an act of joining :  the state of being joined

  2. 2a :  a place or point of meetingb :  an intersection of roads especially where one terminatesc :  a point (as in a thermocouple) at which dissimilar metals make contactd :  an interface in a semiconductor device between regions with different electrical characteristics

  3. 3 :  something that joins

junctional

play \ˈjəŋ(k)-shnəl, -shə-nəl\ adjective

Examples of junction in a Sentence

  1. a junction of nerves and muscle

  2. the junction of Route 12 and Route 87

Recent Examples of junction from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'junction'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of junction

Latin junction-, junctio, from jungere to join — more at yoke


First Known Use: 1711



JUNCTION Defined for English Language Learners

junction

play
noun

Definition of junction for English Language Learners

  • : a place where two things join

  • : a place where roads or railroad lines come together

  • : a road or ramp that you use when getting off a highway


JUNCTION Defined for Kids

junction

play
noun junc·tion \ˈjəŋk-shən\

Definition of junction for Students

  1. 1 :  a place or point where two or more things meet

  2. 2 :  an act of joining


Medical Dictionary

junction

play
noun junc·tion \ˈjəŋ(k)-shən\

Medical Definition of junction

  1. :  a place or point of meeting the structure of the synaptic junction as revealed by electron microscopy—see neuromuscular junction

junctional

\-shnəl, -shən-əl\play adjective


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