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

ˈjəŋ(k)-sh(ə-)nəl 

adjective

Synonyms of junction

• intersection
• juncture

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

In an era of $400 tasting menus, the cost lands as reasonable given the meal’s many junctions of meticulous artistry and down-to-earth deliciousness. — Bill Addison, Los Angeles Times, 24 Sep. 2026

The other thing is that the junction between segments can be a distinct environment, one where cells are exposed to influences from both of the neighboring identities. — John Timmer, ArsTechnica, 23 Sep. 2026

According to the recent study, a Phoenix-area junction ranked among the intersections motorcyclists identified as the most feared in the United States. — Christian Cervantes, AZCentral.com, 18 Sep. 2026

Located at the junction of three continents—Europe, Asia, and Africa—the region has historically been a crossroads for conquerors, peoples, trade, and ideas. — Britannica Editors, Encyclopedia Britannica, 9 Sep. 2026

Word History

Etymology

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

First Known Use

1711, in the meaning defined at sense 1

Phrases Containing junction

• box junction
• gap junction
• Josephson junction

Rhymes for junction

• function
• unction
• adjunction
• compunction
• conjunction
• disjunction
• dysfunction
• injunction
• malfunction
• eigenfunction
• multifunction
• heterojunction

Kids 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

junctional

-shnəl, -shən-ᵊl 

adjective