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

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

Italian Premier Giorgia Meloni and Austrian Chancellor Christian Stocker were on hand for the ceremonial breakthrough of the final meter of rock to open the first tunnel beneath the Brenner Pass, a key junction in an EU rail project that will one day run from Helsinki to Palermo. —Dave Smith, Fortune, 19 Sep. 2025

Pitt, driving, brought the car to a stop at the junction. —Jay Glennie, HollywoodReporter, 19 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