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

• 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

And in West Virginia’s capital of Charleston, where about 50,000 people live at the junction of two rivers in a wide and flat valley, a single storm could potentially flood five of the city’s six hospitals at once, along with schools, churches, fire departments, and other facilities. —CNN Money, 5 Oct. 2025

To remedy this recall, dealers will inspect and replace the battery junction box, as necessary. —Olivia Evans, Louisville Courier Journal, 2 Oct. 2025

The idea of shuttering a critical junction has prompted many frequent Yolo Causeway cyclists to contemplate other options. —Ishani Desai, Sacbee.com, 28 Sep. 2025

Nestled near the junction of the 405, 5 and 22 freeways is a sweet little oasis of calm and beauty called the Bowers Museum. —Penny E Schwartz, Oc Register, 20 Sep. 2025

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
• inunction
• malfunction
• eigenfunction
• multifunction

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