radiant energy

noun

Definition of radiant energy 

: energy traveling as electromagnetic waves

Examples of radiant energy in a Sentence

Recent Examples on the Web

The Telescope in the Ice By Mark Bowen St. Martin’s, 424 pages, $27.99 Astronomers have long surveyed the celestial landscape by capturing and analyzing forms of radiant energy, such as visible light, radio waves and X-rays. Alan Hirshfeld, WSJ, "Review: A New Astronomy Through ‘The Telescope in the Ice’," 15 Dec. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'radiant energy.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of radiant energy

1870, in the meaning defined above

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The first known use of radiant energy was in 1870

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More Definitions for radiant energy

radiant energy

noun

Kids Definition of radiant energy

: energy sent out in the form of electromagnetic waves Heat, light, and radio waves are forms of radiant energy.

radiant energy

noun

Medical Definition of radiant energy 

: energy traveling as electromagnetic waves

More from Merriam-Webster on radiant energy

Britannica.com: Encyclopedia article about radiant energy

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