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
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
Tight junctions are barriers that protect your gut from external threats like toxins and viruses.
—
Jillian Kubala, Health, 3 Apr. 2025
Tight junctions play an important role in maintaining the structure of your intestinal barrier.
—Cristina Palacios, The Conversation, 3 Apr. 2025
Near the end of the rehabilitation project, there will be some pavement patching work at the north end near the junction of the Kennedy impedance.
—Carolyn Stein, Chicago Tribune, 11 Mar. 2025
The gut also has a protective mechanism called the tight junctions.
—Claire Bugos, Verywell Health, 7 Mar. 2025
See All Example Sentences for junction
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Jillian Kubala, Health, 3 Apr. 2025
Tight junctions play an important role in maintaining the structure of your intestinal barrier.
—Cristina Palacios, The Conversation, 3 Apr. 2025
Near the end of the rehabilitation project, there will be some pavement patching work at the north end near the junction of the Kennedy impedance.
—Carolyn Stein, Chicago Tribune, 11 Mar. 2025
The gut also has a protective mechanism called the tight junctions.
—Claire Bugos, Verywell Health, 7 Mar. 2025
See All Example Sentences for junction
Cite this Entry
“Junction.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/junction. Accessed 22 Apr. 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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