trough


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trough

1. a narrow depression either in the land surface, ocean bed, or between two successive waves
2. Meteorol an elongated area of low pressure, esp an extension of a depression
3. Physics the portion of a wave, such as a light wave, in which the amplitude lies below its average value
4. Economics the lowest point or most depressed stage of the trade cycle

trough

[trȯf]
(geology)
A small, straight depression formed just offshore on the bottom of a sea or lake and on the landward side of a longshore bar.
Any narrow, elongate depression in the surface of the earth.
An elongate depression on the sea floor that is wider and shallower than a trench. Also known as submarine trench.
The line connecting the lowest points of a fold.
(meteorology)
An elongated area of relatively low atmospheric pressure; the opposite of a ridge.

trough

A channel used to carry electric conductors.
References in classic literature ?
This time, though we were continually half- buried, there was no trough in which to be swept, and we drifted squarely down upon the upturned boat, badly smashing it as it was heaved inboard.
Stewart Walker first alerted Kirklees officials to the trough which he said was contaminated, possibly with sewage.
conductive troughs (CTs) are heated using high intensity resistance elements embedded in baffle and side pocket panels (BSPP) integrated into the sidewalls of the trough.
The trough, which supports the Manama High Street - the main street running through the Raffles City Bahrain project, passes above two basement car parking levels and distributes all of the development's utility services between the north and south islands of the development, including the district cooling, which runs under the roadway.
Civil works commenced to the trough in June this year and the construction of the structure was finished on schedule.
Serum trough levels have been used as a surrogate marker for AUC/MIC ratio and should be obtained just prior to a new dosing of the medication.
If you find one-third or more of the trough contains ice, decrease the water.
Ioan, of Gwern, Saron, near Caernarfon, was only too aware of the shortcomings of silage troughs used by sheep when lambing indoors.
The cast-iron trough was made in 1912, when it was common to have water troughs scattered throughout towns for people and horses passing through, according to Joseph F.
We analyzed sand wave length [lambda], sand wave height A, crest elevation tic, trough elevation tit, and sand wave asymmetry A in the detrended bed elevation profiles (Figure 4).
Supplies of food and other essentials were placed in the trough by outsiders, and the villagers would pick them up.