trough
41trough fault — noun (geology) A pair of parallel faults with downthrow between them • • • Main Entry: ↑trough …
42Trough Creek State Park — Geobox Protected Area name = Trough Creek State Park native name = other name = other name1 = category local = Pennsylvania State Park category iucn = III image caption = etymology type = Named for etymology = Great Trough Creek country = United… …
43Trough (meteorology) — A trough is an elongated region of relatively low atmospheric pressure, often associated with fronts. Unlike fronts, there is not a universal symbol for a trough on a weather chart. In the United States, a trough may be marked as a dashed line.… …
44Trough (geology) — In geology, a trough generally refers to a linear structural depression that extends laterally over a distance, while being less steep than a trench. A trough can be a narrow basin or a geologic rift. There are various oceanic troughs, troughs… …
45trough shell — noun : a bivalve mollusk of the family Mactridae * * * trough shell noun A lamellibranch with a somewhat triangular shell thought to resemble a kneading trough (genus Mactra) • • • Main Entry: ↑trough * * * n. a burrowing marine bivalve mollusk… …
46trough battery — Battery Bat ter*y, n.; pl. {Batteries}. [F. batterie, fr. battre. See {Batter}, v. t.] 1. The act of battering or beating. [1913 Webster] 2. (Law) The unlawful beating of another. It includes every willful, angry and violent, or negligent… …
47Trough level — In medicine, a trough level is the lowest level that a medicine is present in the body. In a medicine that is administered periodically, the trough level should be measured just before the administration of the next dose in order to avoid… …
48trough of low pressure — A pressure system in which the isobars around a low pressure become elongated such that the pressure is lower along the axes of the trough than on its two sides. Sometimes, the isobars at a trough have a pronounced V shape. Active weather fronts… …
49Trough battery — The trough battery was a variant of the Voltaic Pile and was invented by William Cruickshank c1800. Volta s battery consisted of brine soaked pieces of cloth sandwiched between zinc and copper discs, piled stack; this resulted in electrolyte… …
50trough conveyor — noun : a band conveyor with the sides of the band turned up to form a trough …
