Definition of junction
1
: an act of joining : the state of being joined
2a
: 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
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Merriam-Webster unabridged
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Time Traveler for junction
The first known use of junction was in 1711
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