junction
noun
junc·tion
ˈjəŋ(k)-shən 
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
adjective
ˈjəŋ(k)-sh(ə-)nəl
Synonyms
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
Caltrans said to avoid California 138 between the San Bernardino County line to the junction with California 18.
—
Rong-Gong Lin Ii, Los Angeles Times, 27 Jan. 2025
Some could produce molecules, known as polyamines, that can open and close junctions, which are like little doors in the barrier that allow molecules to pass through.
—Yasemin Saplakoglu, WIRED, 5 Jan. 2025
The two snowboarders had made their way down Highway 89 to the Saxon Creek junction with Warr Trail and were riding downhill.
—Darrell Smith, Sacramento Bee, 2 Jan. 2025
The 'tracks' will all be completely static, a combination of tensioned cables stretching 150-300 m (500-985 ft), and shorter sections of steel rail for smooth turns and junctions.
—New Atlas, 15 Jan. 2025
See all Example Sentences for junction 
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Rong-Gong Lin Ii, Los Angeles Times, 27 Jan. 2025
Some could produce molecules, known as polyamines, that can open and close junctions, which are like little doors in the barrier that allow molecules to pass through.
—Yasemin Saplakoglu, WIRED, 5 Jan. 2025
The two snowboarders had made their way down Highway 89 to the Saxon Creek junction with Warr Trail and were riding downhill.
—Darrell Smith, Sacramento Bee, 2 Jan. 2025
The 'tracks' will all be completely static, a combination of tensioned cables stretching 150-300 m (500-985 ft), and shorter sections of steel rail for smooth turns and junctions.
—New Atlas, 15 Jan. 2025
See all Example Sentences for junction
Dictionary Entries Near junction
Cite this Entry
“Junction.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/junction. Accessed 14 Feb. 2025.
Copy CitationKids Definition
junction
noun
junc·tion
ˈjəŋ(k)-shən
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
: a place or point of meeting
the structure of the synaptic junction as revealed by electron microscopy
see neuromuscular junction
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