Definition of coherent
1a
: logically or aesthetically ordered or integrated : consistent
coherent style a coherent argument
b
: having clarity or intelligibility : understandable
a coherent person a coherent passage
2
: having the quality of holding together or cohering
especially
: cohesive, coordinated
a coherent plan for action
3a
: relating to or composed of waves having a constant difference in phase
coherent light
b
: producing coherent light
a coherent source
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Time Traveler for coherent
The first known use of coherent was in 1557
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