E layer
noun
: a layer of the ionosphere occurring about 65 miles (110 kilometers) above the earth's surface during daylight hours that is capable of reflecting shortwave frequencies
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The team’s radar detectors were designed to measure the waves bouncing off the ionosphere’s E layer, a region 100 kilometers up.
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Byjonathan O’Callaghan, science.org, 12 May 2023
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Byjonathan O’Callaghan, science.org, 12 May 2023
Cite this Entry
“E layer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/E%20layer. Accessed 8 Mar. 2025.
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