Dictionary.com
Thesaurus.com

coherent light

American  

noun

  1. light in which the electromagnetic waves maintain a fixed and predictable phase relationship with each other over a period of time.


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Lasers are commonly used for this purpose because they generate highly coherent light concentrated at a single color.

From Science Daily ● Aug. 8, 2026

A simple assumption would be that the incoming coherent light performs work, while the outgoing light, having lost some coherence, represents heat.

From Science Daily ● Dec. 23, 2025

The answer to this question is that two slits provide two coherent light sources that then interfere constructively or destructively.

From Textbooks ● Aug. 12, 2015

Single-wavelength coherent light from a laser produces a well-defined interference pattern on a piece of film.

From Textbooks ● Aug. 12, 2015

Then, at the proper moment, a beam of intense coherent light shot out of the tangent that formed the tail of the Q-tube.

From The Foreign Hand Tie by Randall Garrett

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training