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

The committee periodically passes legislation to sell the rights to transmit signals over specific bands of the electromagnetic spectrum, but the Defense Department tends to object to selling too much. —Margot Sanger-Katz, New York Times, 26 Feb. 2025

The orbital angular momentum of photons has been intensively explored in the optical region of the electromagnetic spectrum. —IEEE Spectrum, 25 Apr. 2012

Ultraviolet light, or UV light, is a type of electromagnetic radiation that lies between visible light and X-rays on the electromagnetic spectrum. —Yaakov Katz, Newsweek, 17 Jan. 2025

This wavelength region on the electromagnetic spectrum is accessible by EHT in order to create the sharpest possible images, according to a paper the team recently published in the journal Astronomy & Astrophysics. —Josh Dinner, Space.com, 12 Jan. 2025

Word History

First Known Use

1924, in the meaning defined above

Rhymes for electromagnetic spectrum

• electrum

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