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propagation

noun
prop·​a·​ga·​tion | \ ˌprä-pə-ˈgā-shən How to pronounce propagation (audio) \

Definition of propagation

: the act or action of propagating: such as
a : increase (as of a kind of organism) in numbers
b : the spreading of something (such as a belief) abroad or into new regions
c : enlargement or extension (as of a crack) in a solid body

Examples of propagation in a Sentence

Recent Examples on the Web Alarmed by the propagation of QAnon theories in the yoga-and-wellness community, a group led by the yoga instructor Seane Corn took a stand on Instagram. Kaitlyn Tiffany, The Atlantic, "The Internet Trump Built," 30 Oct. 2020 On September 8, 2020, the same day Stankey's essay in Politico was published, AT&T; told the FCC that the agency should not require additional details to verify the accuracy of propagation models used by mobile carriers to generate coverage maps. Jon Brodkin, Ars Technica, "AT&T; hopes you’ll forget its years-long fight against accurate broadband maps," 10 Sep. 2020 My new friend in Mississippi, Carol, is a whiz at propagation. Janet Carson, Arkansas Online, "From one, come many," 18 Oct. 2020 Teenagers are not able to spot a sensationalistic theory involving Princess Diana’s death as a propagation of falsities. Sofia Barnett, Wired, "Why Teens Are Falling for TikTok Conspiracy Theories," 19 Sep. 2020 These memes all use us for their propagation while harming us. John Horgan, Scientific American, "How to Be a Mystical Skeptic," 15 Sep. 2020 The populations are so small that inbreeding depression has made seed propagation difficult to impossible. Paul Cappiello, The Courier-Journal, "This celebrated Kentucky botanist is the namesake behind this perfect garden goldenrod," 12 Sep. 2020 Its own survival depends on sparing its victims to continue as vehicles for its propagation. Robert Lee Hotz, WSJ, "‘Really Diabolical’: Inside the Coronavirus That Outsmarted Science," 7 Sep. 2020 The latter is a propagation of a surface fracture in the ice clean through to the bottom of the ice sheet as the crack fills with water. Scott K. Johnson, Ars Technica, "New map shows vulnerability of Antarctic ice to self-fracking," 26 Aug. 2020

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

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First Known Use of propagation

15th century, in the meaning defined above

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Time Traveler for propagation

Time Traveler

The first known use of propagation was in the 15th century

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Statistics for propagation

Last Updated

3 Nov 2020

Cite this Entry

“Propagation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/propagation. Accessed 23 Nov. 2020.

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More Definitions for propagation

propagation

noun
prop·​a·​ga·​tion | \ ˌprä-pə-ˈgā-shən How to pronounce propagation (audio) \

Kids Definition of propagation

: the act or process of causing to multiply or spread out the propagation of ideas

propagation

noun
prop·​a·​ga·​tion | \ ˌpräp-ə-ˈgā-shən How to pronounce propagation (audio) \

Medical Definition of propagation

: the act or action of propagating: as
a : increase (as of a kind of organism) in numbers propagation of a pure culture of bacteria
b : the spreading or transmission of something propagation of a nerve impulse

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