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 energy from these events is carried away by particles of light (photons) spread across the electromagnetic spectrum, but also by neutrinos. — Robert Lea, Space.com, 10 July 2026

The electromagnetic warfare’s system reversible and non-reversible capabilities further secures the invisible frontline on the electromagnetic spectrum. — Prabhat Ranjan Mishra, Interesting Engineering, 9 July 2026

No other existing or planned telescope can observe through multiple ranges of the electromagnetic spectrum simultaneously on such short notice. — Anna Y. Q. Ho, Scientific American, 29 June 2026

Ultraviolet radiation falls on the electromagnetic spectrum between X-rays and visible light. — Michael Scaturro, Miami Herald, 15 June 2026

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