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

Today, the electromagnetic space is much more complicated: Different types of signals are broadcast straight across the electromagnetic spectrum, from radar to GPS and GLONASS, to cellular signals. —Justin Ling, WIRED, 23 Dec. 2024

So physicists reduce this ambiguity by combining measurements from a variety of wavelengths spanning the electromagnetic spectrum. —The Physics Arxiv Blog, Discover Magazine, 16 Dec. 2024

Colossal Corona The highest resolution image of all, this image of the sun's corona — its outer and hottest atmosphere — was taken in the extreme ultraviolet region of the electromagnetic spectrum. —Jamie Carter, Forbes, 27 Nov. 2024

Plastics, specifically, have special attributes in the shortwave infrared (SWIR) electromagnetic spectrum that aren’t present in sand or other organic debris. —Mack Degeurin, Popular Science, 30 Oct. 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