back·​scat·​ter | \ ˈbak-ˌska-tər How to pronounce backscatter (audio) \
variants: or less commonly backscattering \ ˈbak-​ˌska-​tə-​riŋ How to pronounce backscatter (audio) \

Definition of backscatter

: the scattering of radiation or particles in a direction opposite to that of the incident radiation due to reflection from particles of the medium traversed also : the radiation or particles so reversed in direction

Other Words from backscatter

backscatter verb

Examples of backscatter in a Sentence

Recent Examples on the Web That means a liquid lake should produce less backscatter than a frozen surface. Chelsea Harvey, Scientific American, 2 Apr. 2021 The light, called backscatter, can be analyzed to find the frequency of wingbeats, which lets researchers determine the numbers and species of insects passing through. Susan Cosier, Scientific American, 1 Aug. 2020 Meanwhile, backscatter instruments atop the ship scanned seafloor for any hard objects. Laura Yan, Popular Mechanics, 8 July 2018 The technique, called backscatter, has previously been used for low-data rate sensors, like those used for temperatures. Laura Yan, Popular Mechanics, 21 Apr. 2018 These companies exploit a property of the cables called 'backscatter' to track movement of the cables and record seismic events. Avery Thompson, Popular Mechanics, 20 Oct. 2017 Some of that light hits impurities in the glass walls of the cable and bounces back; this is the 'backscatter' referred to earlier. Avery Thompson, Popular Mechanics, 20 Oct. 2017 Most exciting applications Smith says the backscatter chips could be manufactured for less than a quarter apiece. NBC News, 29 Sep. 2017 The phone generates its own signal using backscatter, a technique already common in RFID—as in radio frequency identification—chips that encodes existing radio signals with new information and reflects them back to a receiver. David Z. Morris, Fortune, 9 July 2017 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'backscatter.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of backscatter

1936, in the meaning defined above

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The first known use of backscatter was in 1936

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Cite this Entry

“Backscatter.” Dictionary, Merriam-Webster, Accessed 25 Sep. 2022.

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