junction

noun

junc·​tion ˈjəŋ(k)-shən How to pronounce junction (audio)
Synonyms of junctionnext
1
: an act of joining : the state of being joined
2
a
: a place or point of meeting
b
: an intersection of roads especially where one terminates
c
: a point (as in a thermocouple) at which dissimilar metals make contact
d
: an interface in a semiconductor device between regions with different electrical characteristics
3
: something that joins
junctional
ˈjəŋ(k)-sh(ə-)nəl How to pronounce junction (audio)
adjective

Synonyms of junction

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Examples of junction in a Sentence

a junction of nerves and muscle the junction of Route 12 and Route 87
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
To maximize efficiency, a complex triple-junction solar cell was made by stacking three perovskite absorbers with varying band gaps. — Mrigakshi Dixit, Interesting Engineering, 9 July 2026 The work still got done, but a person stood at every junction—checking, clicking and reconciling. — Rahul Bhatia, Forbes.com, 8 July 2026 The Manayunk/Norristown, Fox Chase and Chestnut Hill East Lines were suspended while SEPTA worked to clear the junction. — Joe Brandt, CBS News, 1 July 2026 Drive west, and the junction for Estadio Akron is less than 30 minutes away. — Jacob Whitehead, New York Times, 26 June 2026 See All Example Sentences for junction

Word History

Etymology

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

First Known Use

1711, in the meaning defined at sense 1

Time Traveler
The first known use of junction was in 1711

Phrases Containing junction

Rhymes for junction

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Browse Nearby Words

Juncos
junction
junctional
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Cite this Entry

“Junction.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/junction. Accessed 12 Jul. 2026.

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Kids Definition

junction

noun
junc·​tion ˈjəŋ(k)-shən How to pronounce junction (audio)
1
: an act of joining : the state of being joined
2
: a place or point of meeting
a railroad junction

Medical Definition

junction

noun
junc·​tion ˈjəŋ(k)-shən How to pronounce junction (audio)
: a place or point of meeting
the structure of the synaptic junction as revealed by electron microscopy
see neuromuscular junction
junctional
-shnəl, -shən-ᵊl How to pronounce junction (audio)
adjective

More from Merriam-Webster on junction

Nglish: Translation of junction for Spanish Speakers

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