What is a non coherent source


[ koh-heer-uh nt, -her- ]

/ koʊˈhɪər ənt, -ˈhɛr- /


logically connected; consistent: a coherent argument.

having a natural or due agreement of parts; harmonious: a coherent design.

cohering; sticking together: a coherent mass of sticky candies.

Physics, Optics. of or relating to waves that maintain a fixed phase relationship, as in coherent light, or light in which the electromagnetic waves maintain a fixed and predictable phase relationship with each other over a period of time.See also laser.

Words nearby coherent

cohen, cohenite, cohere, coherence, coherence theory, coherent, coherent control, coherent light, coherer, cohesion, cohesionless soil

Origin of coherent

1570–80; < Medieval Latincohērent-, variant of Latincohaerent- (stem of cohaerēns), present participle of cohaerēre. See cohere, -ent


co·her·ent·ly, adverbnon·co·her·ent, adjectivenon·co·her·ent·ly, adverb

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for non-coherent



capable of logical and consistent speech, thought, etc

logical; consistent and orderly

cohering or sticking together

physics(of two or more waves) having the same phase or a fixed phase differencecoherent light

(of a system of units) consisting only of units the quotient or product of any two of which yield the unit of the resultant quantity

Derived forms of coherent

coherently, adverb

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012