-nt adjective
Etymology: Middle French or Latin; Middle French cohérent, from Latin cohaerent-, cohaerens
1. : having the quality of cohering
two coherent substances
the felting of the individual fibers into a coherent sheet requires the use of a bonding agent — A.C.Morrison
a coherent plan
a coherent speech
a place and time coherent with a plan of action
specifically botany : displaying cohesion — compare adnate 1
2. : logically consistent and ordered
a coherent way of explaining
a coherent thinker
3. : relating to electromagnetic waves that have a definite relationship to each other: as
a. : composed of two wave trains with a constant difference in phase
b. : producing coherent light
a coherent source
• co·her·ent·ly adverb