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

The dispatch The term Silicon Roundabout, a label for the cluster of tech firms based around the City Road/Old Street junction north of the City of London, was first coined in 2008. —Ian King, CNBC, 10 June 2026

The town sits at the base of Mont Blanc, the highest mountain in the Alps, and its location near the junction of France, Switzerland, and Italy makes day trips to other European countries a breeze. —Evie Carrick, Travel + Leisure, 3 June 2026

The ever-growing Grove just got a new restaurant at the junction of Grand Avenue and Main Highway. —Connie Ogle updated May 28, Miami Herald, 28 May 2026

Beyond Akkermansia muciniphila, Pendulum's products feature Clostridium butyricum and Clostridium beijerinckii, both butyrate-producing strains that fuel colon cells, support tight junctions in the gut lining, and stimulate GLP-1 production. —Shimite Obialo, Forbes.com, 26 May 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