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 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

With this constant competition on the electromagnetic spectrum, defense companies are getting creative about how their drones travel. —Justin Ling, WIRED, 23 Dec. 2024

Word History

First Known Use

1924, in the meaning defined above

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