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trough

noun

ˈtrȯf How to pronounce trough (audio)
ˈtrȯth,
 by bakers often  ˈtrō
plural troughs ˈtrȯfs How to pronounce trough (audio)
ˈtrȯvz;
ˈtrȯths,
ˈtrȯ(t͟h)z;
ˈtrōz
1
a
: a long shallow often V-shaped receptacle for the drinking water or feed of domestic animals
b
: any of various domestic or industrial containers
2
a
: a conduit, drain, or channel for water
especially : a gutter along the eaves of a building
b
: a long and narrow or shallow channel or depression (as between waves or hills)
especially : a long but shallow depression in the bed of the sea compare trench
3
: the minimum point of a complete cycle of a periodic function: such as
a
: an elongated area of low barometric pressure
b
: the low point in a business cycle

Example Sentences

The economy is in a trough right now. all of the wiring for the converted residential loft is concealed in a vertical trough
Recent Examples on the Web Currently, the National Hurricane Center is watching four systems including Hurricane Earl, which at one point was forecast to become the season’s first major hurricane, but was stymied by wind shear and a trough of low pressure. Joe Mario Pedersen, Orlando Sentinel, 10 Sep. 2022 While other bears often opt for natural berries and ant nests in the forest, Jack is old and a bit stiff, and will go for the trough of cashew nuts and sunflower seeds always available here. Doug Struck, The Christian Science Monitor, 6 Sep. 2022 The weather service said a trough of low pressure has been parked to the west of Alabama and won’t move much, which is helping set off the rain showers that have been persistent over the weekend. Leigh Morgan, al, 5 Sep. 2022 Historically, the average trough P/E in bear markets was 11.9x. Jeffrey Schulze, Forbes, 15 July 2022 Meanwhile, the surface trough 200 miles northeast of the central Bahamas has diminished, the NHC said in its 8 a.m. update. Joe Mario Pedersen, Orlando Sentinel, 2 June 2022 In both 2011 and 2018, the S&P 500 fell 19% at the trough of deep selloffs. Caitlin Ostroff, WSJ, 19 May 2022 Alabama is currently a lot closer to the trough than the crest of any potential new wave. Ramsey Archibald | Rarchibald@al.com, al, 18 Dec. 2021 That’s up from its mid-June trough, when the index was trading off more than 30% for the year. Corrie Driebusch, WSJ, 22 Aug. 2022 See More

Word History

Etymology

Middle English, from Old English trog; akin to Old High German trog trough, Old English trēow tree, wood — more at tree entry 1

First Known Use

before the 12th century, in the meaning defined at sense 1a

Time Traveler
The first known use of trough was before the 12th century

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