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

• connection
• coupling
• join
• joining
• joint
• jointure
• 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 height rod is designed to remain secure to the junction block and restrict the housing rotation to 105 degrees. —Mark Sparrow, Forbes, 19 Feb. 2025

Fernández, Peña, Vargas Aguirre, and Peña’s son then followed Uranga Armendáriz and his partner to a highway junction near the town of Las Palmas. —Samantha Moilanen, Chicago Tribune, 13 Feb. 2025

The network itself consists of tensioned cables spanning 500-985 feet, interspersed with shorter sections of steel rail for smooth turns and junctions. —Kurt Knutsson, Cyberguy Report, Fox News, 5 Feb. 2025

Taiwan lies near the junction of two tectonic plates and is prone to earthquakes. —Reuters, NBC News, 21 Jan. 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