electromagnetic spectrum
nounDefinition of electromagnetic spectrum
: 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
That collision also produced a massive explosion that was seen by conventional telescopes across the electromagnetic spectrum. — Adrian Cho, Science | AAAS, "Scientists may have spotted a black hole and a neutron star colliding," 16 Aug. 2019 The rhetoric heated up this spring as the FCC announced plans to auction off a band of the electromagnetic spectrum near the frequency that polar-orbiting satellites use to monitor water vapor. — Hal Bernton, The Seattle Times, "High-stakes dispute turns nasty, pits 5G technology against weather forecasting," 6 Aug. 2019 Coleman Lowndes/Vox Only a fraction of the range of frequencies of light and their wavelengths, called the electromagnetic spectrum, is visible to humans. — Coleman Lowndes, Vox, "How scientists colorize photos of space," 2 Aug. 2019 Before long, however, orbiting space telescopes such as Hubble, Spitzer, and Chandra were scoring major successes across the electromagnetic spectrum. — Daniel Clery, Science | AAAS, "Could humanity’s return to the moon spark a new age of lunar telescopes?," 18 July 2019 Silicon’s bandgap corresponds to infrared photons, which carry less energy than photons in the visible part of the electromagnetic spectrum. — Daniel Oberhaus, WIRED, "New Designs Could Boost Solar Cells Beyond Their Limits," 11 July 2019 Instead, proof could arrive in the form of very distinct spectroscopic features—particularly an absorption line at 450 nanometers within the visible portion of the electromagnetic spectrum. — Shannon Hall, Scientific American, "Water on Europa—with a Pinch of Salt," 12 June 2019 Multiple observatories previously aimed their eyes at the black hole and tried to untangle the engine behind its jet, studying it in wavelengths spanning the electromagnetic spectrum. — National Geographic, "First-ever picture of a black hole unveiled," 10 Apr. 2019 Gamma rays fall at the very end of the electromagnetic spectrum. — Quanta Magazine, "After Black Holes Collide, a Puzzling Flash," 2 Mar. 2016These example sentences are selected automatically from various online news sources to reflect current usage of the word 'electromagnetic spectrum.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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