die·​back | \ ˈdī-ˌbak How to pronounce dieback (audio) \

Definition of dieback

: a condition in woody plants in which peripheral parts are killed (as by parasites)

Examples of dieback in a Sentence

Recent Examples on the Web Serious disease, insect or abiotic problems in western red cedar usually cause overall discoloration, thinning of the crown, dieback of the top and then the entire tree. oregonlive, "How do I deter a flicker pecking at house eaves? Ask an expert," 12 Dec. 2020 The flies pose several problems for plants, including oozing sap, wilting, leaf curling, and tree dieback, the Pennsylvania agriculture department said. Kaylee Remington, cleveland, "Invasive Spotted Lanternfly makes its way to Jefferson County, Ohio, department of agriculture says," 26 Nov. 2020 The fungus attacks roots, starving trees of water and nutrients and progressively killing them from the top down — a phenomenon known as dieback. Stephanie Pain, Smithsonian Magazine, "Why Tree-Killing Epidemics Are on the Rise," 28 Sep. 2020 Almost as soon as dieback was spotted in England, Buggs started to sequence the ash genome, publishing the work in 2016. Stephanie Pain, Smithsonian Magazine, "Why Tree-Killing Epidemics Are on the Rise," 28 Sep. 2020 The devastation caused by ash dieback prompted urgent research to find ways of preserving Europe’s native species. Stephanie Pain, Smithsonian Magazine, "Why Tree-Killing Epidemics Are on the Rise," 28 Sep. 2020 If the branches are not removed, the dieback will spread to all other branches. oregonlive, "How to get rid of squash bugs? Ask an expert," 1 Aug. 2020 Identify over-watering problems by looking for root rots, unusually small leaves, as well as twig and limb dieback. oregonlive, "Need tips on best choices for plants used as hedges? Ask an expert," 23 May 2020 Worries about kauri dieback had been growing among a group of academics, environmentalists and bureaucrats for a decade. Washington Post, "For New Zealand's Maoris, even touching this sacred tree is taboo. They let scientists climb to help save it.," 12 Jan. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'dieback.' 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 dieback

circa 1886, in the meaning defined above

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Time Traveler for dieback

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The first known use of dieback was circa 1886

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Last Updated

18 Feb 2021

Cite this Entry

“Dieback.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dieback. Accessed 1 Mar. 2021.

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