trough end


trough end
   (not recommended: refer to cirque, cove)
   The steep, semicircular rock wall forming the abrupt head or end of a U-shaped valley.
   Compare: headwall.
   GG

Glossary of landform and geologic terms. 2013.

Look at other dictionaries:

  • trough 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… …   The Collaborative International Dictionary of English

  • Trough — The stage of the economy s business cycle that marks the end of a period of declining business activity and the transition to expansion. In general, the business cycle is said to go through expansion, then the peak, followed by contraction, and… …   Investment dictionary

  • end plate — noun : a flat plate or structure at the end of something: as a. : a complex terminal arborization of a motor nerve fiber called also end brush b. : one of the main end timbers of a shaft set in a mine c. : a surface attached approximately… …   Useful english dictionary

  • end plate — 1. Mining. one of the shorter members of a set. Cf. wall plate (def. 3). 2. Cell Biol. a specialized area on the surface of a muscle fiber where a motor neuron makes contact with the muscle, consisting of an irregularly shaped trough into which… …   Universalium

  • The Trough — is a natural landmark located in the Ridge and Valley Appalachians of Hampshire and Hardy Counties in the U.S. state of West Virginia s Eastern Panhandle region. It is a narrow valley bounded by Mill Creek Mountain to its west and Sawmill Ridge… …   Wikipedia

  • endplate, end-plate — The ending of a motor nerve fiber in relation to a skeletal muscle fiber. motor e. the large and complex end formation by which the axon of a motor …   Medical dictionary

  • Mariana Trough —   The Mariana Trough lies in the southern part of the IBM arc system in the Western Pacific. Guam and The Northern Mariana Islands mark its eastern limit. The Mariana Trough i …   Wikipedia

  • Rockall Bank and Trough — The Rockall Trough (Scottish Gaelic: Clais Sgeir Rocail ) is a deep water bathymetric feature to the northwest of Scotland and Ireland, running roughly from southwest to northeast, flanked on the north by the Rockall Plateau and to the south by… …   Wikipedia

  • Gunn-Peterson trough — In astronomical spectroscopy, the Gunn Peterson trough is a feature of the spectra of quasars due to the presence of neutral hydrogen in the Intergalactic Medium (IGM). The trough is characterized by suppression of electromagnetic emission from… …   Wikipedia

  • Pneumatic trough — Pneumatic Pneu*mat ic, Pneumatical Pneu*mat ic*al, a. [L. pneumaticus, Gr. ?, fr. ?, ?, wind, air, ? to blow, breathe; cf. OHG. fnehan: cf. F. pneumatique. Cf. {Pneumonia}.] 1. Consisting of, or resembling, air; having the properties of an… …   The Collaborative International Dictionary of English