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dieback

noun

die·​back ˈdī-ˌbak How to pronounce dieback (audio)
: a condition in woody plants in which peripheral parts are killed (as by parasites)

Example Sentences

Recent Examples on the Web Many of our conifers are now showing stress and dieback. oregonlive, 12 June 2022 Cattle ranching, responsible for the great majority of deforestation in the Amazon, is pushing the forest to the edge of what scientists warn could be a vast and irreversible dieback that claims much of the biome. Washington Post, 29 Apr. 2022 If a specimen was attractive in the landscape due to a symmetrical shape that’s now ruined by dieback, will pruning to reshape it suffice? oregonlive, 4 Dec. 2021 Similarly, root loss (such as from infection, injury, or oxygen deprivation) can cause the death of cambium in branches, resulting in dieback. Miri Talabac, Baltimore Sun, 30 Mar. 2022 Overall, the Amazon rainforest is becoming much less resilient – raising the risk of widespread dieback, the research shows. Doyle Rice, USA TODAY, 7 Mar. 2022 Catastrophic dieback would imperil millions of people who rely on the ecosystem for food; 70 percent of the rain that falls in northern Argentina, a South American breadbasket, comes from Amazonian trees. Washington Post, 24 Jan. 2022 Experts said the Amazon could soon reach a critical line, the crossing of which would trigger widespread dieback and turn much of the forest to savanna, which would have major consequences for biodiversity, global carbon storage and climate change. Laura L. Davis, USA TODAY, 7 Mar. 2022 According to the RMetS study, mass dieback in the Amazon rainforest could trigger one such climate tipping point. Zachary Snowdon Smith, Forbes, 7 Mar. 2022 See More

Word History

First Known Use

circa 1886, in the meaning defined above

Time Traveler
The first known use of dieback was circa 1886

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