The word incoherent is typically used to describe a form of light in which the actual light waves are "scattered". An example of an incoherent light is the common desklamp. An example of coherent light is a laser beam.

The typical effects of light being coherent is that it stays the same diameter as the focal point, virtually forever.

Incoherent is also sometimes used to describe a moron, or an intoxicated person. This is usually indicated by a pattern of unrecognizeable speech.

In`co*her"ent (?), a. [Pref. in- not + coherent: cf. F. incoh'erent.]


Not coherent; wanting cohesion; loose; unconnected; physically disconnected; not fixed to each; -- said of material substances.



Wanting coherence or agreement; incongruous; inconsistent; having no dependence of one part on another; logically disconnected.

"The same rambling, incoherent manner."

Bp. Warburton.


© Webster 1913.

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