junc·​tion | \ ˈjəŋ(k)-shən How to pronounce junction (audio) \

Definition of junction

1 : an act of joining : the state of being joined
2a : 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

Other Words from junction

junctional \ ˈjəŋ(k)-​shnəl , -​shə-​nᵊl How to pronounce junction (audio) \ adjective

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 From the parking area, the road heads north descending easily to an unsigned junction roughly 0.2 mile in. Mare Czinar, The Arizona Republic, 27 May 2022 Built in the late 1950s, the northern reaches of Highway 39 appear to be intact on most maps, apparently connecting the town of Azusa with the famed Angeles Crest Highway at a summit T-junction. Dan Edmunds, Car and Driver, 29 Apr. 2022 To boost the efficiency further, the cell combines two different materials that absorb different areas of the spectrum in what's called a two-junction configuration. John Timmer, Ars Technica, 14 Apr. 2022 As the Hollywood round auditorium of wannabe finalists looked on in shock and surprise, Perry turned around to reveal a major malfunction in her Katy junction. Gil Kaufman, Billboard, 29 Mar. 2022 Officials closed about 45 miles of Highway 70 between its junction with Highway 89 near Greenville to the Jarbo Gap in Butte County as crews rushed to clear debris like rocks and trees. Michael Cabanatuan, Julie Johnson, San Francisco Chronicle, 22 Oct. 2021 The agency said there's still work being done in the area so the Appalachian Trail Corridor from the Lead Mine State Forest to the junction of the Centennial Trail and the Mahoosuc Trail remains closed until further notice. Associated Press, BostonGlobe.com, 15 May 2022 The temporary lines carry waste around a 25-foot segment of sewer pipe that collapsed in the city of Carson, about a mile and a half south of the junction of the San Diego (Interstate 405) and Harbor (Interstate 110) freeways. James Rainey, Los Angeles Times, 2 Jan. 2022 Popasna, a nearby town now the focus of intense fighting, is also a vital rail junction. Daniel Michaels, WSJ, 31 May 2022 See More

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.

First Known Use of junction

1711, in the meaning defined at sense 1

History and Etymology for junction

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

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Time Traveler for junction

Time Traveler

The first known use of junction was in 1711

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Dictionary Entries Near junction



junction box

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Statistics for junction

Last Updated

28 Jun 2022

Cite this Entry

“Junction.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/junction. Accessed 2 Jul. 2022.

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More Definitions for junction


junc·​tion | \ ˈjəŋk-shən How to pronounce junction (audio) \

Kids Definition of junction

1 : a place or point where two or more things meet
2 : an act of joining


junc·​tion | \ ˈjəŋ(k)-shən How to pronounce junction (audio) \

Medical Definition of junction

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

Other Words from junction

junctional \ -​shnəl, -​shən-​ᵊl How to pronounce junction (audio) \ adjective

More from Merriam-Webster on junction

Nglish: Translation of junction for Spanish Speakers

Britannica English: Translation of junction for Arabic Speakers


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