phase·​down | \ ˈfāz-ˌdau̇n How to pronounce phasedown (audio) \

Definition of phasedown

 (Entry 1 of 2)

: a gradual reduction (as in operations or size) : a slowing down by phases

phase down

phased down; phasing down; phases down

Definition of phase down (Entry 2 of 2)

transitive verb

: to reduce the size or amount of by phases phase down the program

intransitive verb

: to undergo reduction by phases

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Examples of phasedown in a Sentence

Verb tourism along the coast phases down after Labor Day
Recent Examples on the Web: Noun Once fully implemented, scientists have said such an HFC phasedown would avoid 0.5 degrees Celsius of warming. Abby Smith, Washington Examiner, 3 May 2021 Over the next 15 years, the HFC phasedown would reduce 900 million metric tons of carbon dioxide equivalent, more than the total annual emissions of Germany, Rhodium says. Abby Smith, Washington Examiner, 22 Dec. 2020 Wetstone, like many other clean energy advocates, is calling on Congress to temporarily allow clean energy companies to redeem tax credits as cash payments and to put off the phasedown of renewable energy tax credits. Abby Smith, Washington Examiner, 16 June 2020 Recent Examples on the Web: Verb The payment amounts phase down for singles earning up to $99,000 or $198,000 as a couple. Laura Litvan, Fortune, 23 July 2020 That legislation laid out requirements for the United States to phase down the production and import of powerful greenhouse gas refrigerants known as hydrofluorocarbons, or HFCs, by 85% in the next 15 years. Abby Smith, Washington Examiner, 3 May 2021 The Environmental Protection Agency is proposing to phase down production and use of hydrofluorocarbons, highly potent greenhouse gases commonly used in refrigerators and air conditioners. Los Angeles Times, 4 May 2021 In a statement on May 3, EPA administrator Michael Regan said the agency will enact a new regulation to phase down the production and importation of HFCs in the US by 85% below the 2011-13 average over the next 15 years. Tim Mcdonnell, Quartz, 4 May 2021 Altogether, a global phase down of hydrofluorocarbons, also known as HFCs, is projected to avert up to 0.5 degree Celsius (0.9 degrees Fahrenheit) of warming by the end of the century. Anchorage Daily News, 3 May 2021 Xi did, for the first time, say China would phase down its coal use later this decade, a step Graves welcomed. Josh Siegel, Washington Examiner, 24 Apr. 2021 Chinese President Xi Jinping said that his country, the world’s largest emitter, would phase down coal consumption in the second half of this decade. Washington Post, 23 Apr. 2021 Chinese President Xi Jinping said his nation, a leader in both clean energy and coal production, would phase down coal consumption in its 15th five-year plan, which starts after 2025. Scott Waldman, Scientific American, 23 Apr. 2021

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


1958, in the meaning defined above


1970, in the meaning defined at transitive sense

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The first known use of phasedown was in 1958

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Dictionary Entries Near phasedown

phase distortion


phase down

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Cite this Entry

“Phasedown.” Dictionary, Merriam-Webster, Accessed 16 Sep. 2021.

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