electromagnetic spectrum

noun

: the entire range of wavelengths or frequencies of electromagnetic radiation extending from gamma rays to the longest radio waves and including visible light

Examples of electromagnetic spectrum in a Sentence

Recent Examples on the Web
These examples are automatically compiled from online sources to illustrate current usage. Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Light and Color Visible light is a narrow band of the electromagnetic spectrum with wavelengths from 700 to 380 nm. Rhett Allain, WIRED, 11 Oct. 2024 The cosmos is filled with galaxies that glow across the electromagnetic spectrum, creating the ultimate dark-sky limit. Phil Plait, Scientific American, 4 Oct. 2024 Duncan’s aversions, however, are not limited to the electromagnetic spectrum. Evan Malmgren, Harper's Magazine, 21 Aug. 2024 Terahertz waves offer a solution by using the relatively unoccupied portion of the electromagnetic spectrum between microwaves and infrared. Ranjan Singh, The Conversation, 3 Sep. 2024 See all Example Sentences for electromagnetic spectrum 

Word History

First Known Use

1924, in the meaning defined above

Time Traveler
The first known use of electromagnetic spectrum was in 1924

Dictionary Entries Near electromagnetic spectrum

Cite this Entry

“Electromagnetic spectrum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/electromagnetic%20spectrum. Accessed 5 Nov. 2024.

Kids Definition

electromagnetic spectrum

noun
: the entire range of wavelengths or frequencies of electromagnetic waves extending from gamma rays to the longest radio waves and including visible light

Medical Definition

electromagnetic spectrum

noun
: the entire range of wavelengths or frequencies of electromagnetic radiation extending from gamma rays to the longest radio waves and including visible light

More from Merriam-Webster on electromagnetic spectrum

Last Updated: - Updated example sentences
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