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 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 But some research has concluded that deforestation, drying and other factors could lead to substantial forest dieback in the Amazon by the end of this century. New York Times, 7 Mar. 2022 See More

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.

First Known Use of dieback

circa 1886, in the meaning defined above

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Time Traveler for dieback

Time Traveler

The first known use of dieback was circa 1886

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die before one's time

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Statistics for dieback

Last Updated

13 May 2022

Cite this Entry

“Dieback.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dieback. Accessed 30 Jun. 2022.

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More from Merriam-Webster on dieback

Britannica.com: Encyclopedia article about dieback


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