Look up trough in Wiktionary, the free dictionary. Trough may refer to: Trough (geology), a long depression less steep than a trench Trough (meteorology)...

A trough is an elongated region of relatively low atmospheric pressure without a closed isobaric contour that would define it as a low pressure area. Since...

The monsoon trough is a portion of the Intertropical Convergence Zone in the Western Pacific, as depicted by a line on a weather map showing the locations...

oceanic troughs on the ocean floors. Benue Trough Cayman Trough Hesperides Trough Kings Trough Mariana Trough Nankai Trough Northumberland Trough Okinawa...

medium is at a maximum. A trough is the opposite of a crest, so the minimum or lowest point in a cycle. When the crests and troughs of two sine waves of equal...

In medicine and pharmacology, a trough level or trough concentration (Ctrough) is the concentration reached by a drug immediately before the next dose...

height of the pillars reaching 115 ft. The trough structure is 7 ft in height, with a width of 7.5 ft. The trough is partly covered with concrete slabs, allowing...

U-shaped valleys, also called trough valleys or glacial troughs, are formed by the process of glaciation. They are characteristic of mountain glaciation...

The Trough is a 6-mile long wooded gorge carved by the South Branch Potomac River (SBPR) and situated in the Allegheny Mountains of Hampshire and Hardy...

A bread trough, dough trough or kneading trough, sometimes referred to as artesa, is a rectangular receptacle with a shallow basin, and a traditional...

A parabolic trough collector (PTC) is a type of solar thermal collector that is straight in one dimension and curved as a parabola in the other two, lined...

The Nankai Trough (南海トラフ, Nankai Torafu, Southern Sea Trough) is a submarine trough located south of the Nankaidō region of Japan's island of Honshu, extending...

The Gulf Trough, also known as the Suwanee Straits, is an ancient geologic feature of Florida present during the Paleogene period. A strong marine current...

Confederation Trough is an extended play record by Richard D. James under the alias The Tuss. It is credited to faux name Brian Tregaskin. Released in...

or PtP or PtoP) is the change between peak (highest amplitude value) and trough (lowest amplitude value, which can be negative). With appropriate circuitry...

Peak-to-trough ratio (PTR), also known as peak-to-trough variation or peak-to-trough fluctuation, is a parameter in pharmacokinetics which is defined as...

Pyramid)) is a small but distinctive peak in Antarctica just south of Pyramid Trough, at the west side of the Koettlitz Glacier. The descriptive name appears...

The Cayman Trough (also known as the Cayman Trench, Bartlett Deep and Bartlett Trough) is a complex transform fault zone pull-apart basin which contains...

Sagami Trough (相模トラフ, Sagami Torafu) also Sagami Trench, Sagami Megathrust, or Sagami Subduction Zone is a 340-kilometre (210 mi)long trough, which is...

near-equatorial trough. Where the ITCZ is drawn into and merges with a monsoonal circulation, it is sometimes referred to as a monsoon trough (a usage that...

The Xihu Trough (Chinese: 西湖凹陷; pinyin: Xīhú Āoxiàn) is a region in the East China Sea, located approximately 400 kilometres east of the cities of Shanghai...

A watering trough (or artificial watering point) is a man-made or natural receptacle intended to provide drinking water to animals, livestock on farms...

in the area on the east side of upper troughs, which form half of a Rossby wave within the Westerlies (a trough with large wavelength that extends through...

A shortwave or shortwave trough is an embedded kink in the trough / ridge pattern. Its length scale is much smaller than that of and is embedded within...

A pneumatic trough is a piece of laboratory apparatus used for collecting gases, such as hydrogen, oxygen and nitrogen. It is mainly made of glass or various...

A flushing trough is a long cistern which serves several toilet pans. It is designed to allow a shorter interval between flushes than individual cisterns...

The Timor Trough is an oceanic trough that is a continuation of the Sunda Trench (Java Trench) that marks the boundary between the Indo-Australian Plate...

The Hikurangi Trough (previously known as the Hikurangi Trench) is a sea floor feature of the Pacific Ocean off the north-east South Island and the east...

A water trough (British terminology), or track pan (American terminology), is a device to enable a steam locomotive to replenish its water supply while...

A manger or trough is a rack for fodder, or a structure or feeder used to hold food for animals. The word comes from the Old French mangier (meaning "to...