Trough

Template:Sister project Trough may refer to:

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In science

Trough (geology), a long depression less steep than a trench
Trough (meteorology), an elongated region of low atmospheric pressure
Trough (physics), the lowest point on a wave
Trough level (medicine), the lowest concentration of a medicine is present in the body over time
Langmuir-Blodgett trough, a laboratory instrument

Trough (economics), the lowest turning point of a business cycle
as metaphor for political corruption, in the contexts of crony capitalism, nepotism, and public economics

Bread trough or dough trough, rectangular receptacle with a shallow basin, used in breadmaking
Trough (barony), a historical barony in County Monaghan, Ireland
Trough (food) or manger, a container for animal feed
Watering trough, a receptacle of drinking water for domestic and non-domestic livestock
Water trough, a trough used to supply water to steam locomotives.
Battle of the Trough, a 1756 skirmish of the French and Indian War in West Virginia
Sleightholme Beck Gorge - The Troughs, a Site of Special Scientific Interest in the Teesdale district of south-west County Durham, England
The Trough, a gorge carved by the South Branch Potomac River in West Virginia
"Down the trough", as used by Donegal Gaelic football club Cill Chartha
Trough, an old word for an inkwell