[koh-heer-uh nt, -her-]
- 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.
Origin of coherent
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- 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
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
Word Origin and History for non-coherent
Online Etymology Dictionary, © 2010 Douglas Harper