junction

noun
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

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Other Words from junction

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

The earlier connectome, published in 1986, examined each synapse—the junction between nerve cells. Karen Weintraub, Scientific American, "Worm Wiring Diagram May Help Us Understand Our Own Nervous System," 3 July 2019 While most of the production businesses are near the international border or Kearny Mesa, five are elsewhere: one is in the Midway District, one is in Logan Heights and three are near the junction of state Routes 15 and 94. David Garrick, San Diego Union-Tribune, "San Diego finalizes locations for city’s marijuana supply chain," 28 June 2019 The secret to all-weather clothing, according to former MIT student Kranthi Vistakula, is Peltier plates, which can be used to warm you up or cool you down by sending an electric current across the junction between two different metals. Pm Editors, Popular Mechanics, "110 Predictions For the Next 110 Years," 10 Dec. 2012 State Route 88 remains closed from Tortilla Flat to the junction of State Route 188 as crews works on the fire line, officials said Saturday. Mike Cruz, azcentral, "Heat, gusty winds challenge Woodbury Fire crews, say fire officials," 29 June 2019 The same road closures remain from Tortilla Flat on State Route 88 going up to Roosevelt Dam at SR 188, and west on SR 188 to the junction of SR 288 north, said Pamela Mathis, spokesperson for the Woodbury Fire. Molly Hudson, azcentral, "Woodbury Fire grows to more than 100K acres; containment still at 25 percent," 24 June 2019 The symbol in question is on public land—a small patch near a three-way junction in Bladensburg, Md.—but the land was private in 1925, when the cross was erected. Barton Swaim, WSJ, "The Turnabout on Religious Freedom," 21 June 2019 If not well defended, these junctions could allow operatives to tunnel under the moat and pop up inside the castle walls. Rebecca Smith And Rob Barry, WSJ, "America’s Electric Grid Has a Vulnerable Back Door—and Russia Walked Through It," 10 Jan. 2019 Van Deren Cabin hike Length: 3.6 miles out and back, or backtrack to the junction and follow Chuckwagon for a 5.2-mile loop. Mare Czinar, azcentral, "Sedona hike ends at historic cabin from a Hollywood Western movie," 9 May 2018

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.

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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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Dictionary Entries near junction

junco

Juncoides

Juncos

junction

junction box

junctural

juncture

Statistics for junction

Last Updated

14 Jul 2019

Look-up Popularity

Time Traveler for junction

The first known use of junction was in 1711

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More Definitions for junction

junction

noun

English Language Learners Definition of junction

: a place where two things join
: a place where roads or railroad lines come together
British : a road or ramp that you use when getting off a highway

junction

noun
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

junction

noun
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 junctional (audio) \ adjective

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More from Merriam-Webster on junction

Rhyming Dictionary: Words that rhyme with junction

Thesaurus: All synonyms and antonyms for junction

Spanish Central: Translation of junction

Nglish: Translation of junction for Spanish Speakers

Britannica English: Translation of junction for Arabic Speakers

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