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.
Shockley later developed the junction transistor, further advancing the technology. — Kaif Shaikh, Interesting Engineering, 25 Oct. 2026 Police have lined the junction, with no obvious route out for the group. — Joseph Ataman, CNN Money, 24 Oct. 2026 The studies cover areas within the Dhaka-Chattogram freight corridor starting at Faujdarhat, the junction where trains leave the main line for the port, and run through the port’s rail yard. — Glenn Taylor, Footwear News, 23 Oct. 2026 The junction was just outside the village of Culcheth in the northwest of England, where the UK’s latest prime minister, Andy Burnham, grew up. — Fintan O’Toole, The New York Review of Books, 23 Oct. 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

See All Rhymes for junction

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 1 Nov. 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
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