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a large mass of rock thrust a considerable distance along a nearly horizontal fault plane or in an overturned anticlinal fold.
one of the two equal sections of a cone.
literally, tablecloth, cloth;
Based on the Random House Dictionary, © Random House, Inc. 2014.
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If the upper
profile remains the same as it was while fully ventilated, the weir has sufficient ventilation.
Free flow occurs when a thin-plate weir allows free access of air under the falling jet sheet or
does not contract from the width of the channel.
The height of pullup behind the
depends upon the drop, discharge, and crest length.
The weir should be ventilated, if necessary, to prevent a vacuum from forming on the underside of the
The shape is intended to match the underside of the
at its upper extremities.
For gravity flow inlets with square-edged or gated orifices, the
created by inflow at the orifice entrance shall be vented.
The stream of water leaving the weir crest is called the
For gravity flow inlets with square edge or gated orifices, the
created by inflow at the orifice entrance should be vented.
Air should circulate freely both under and on the sides of the
British Dictionary definitions for
a large sheet or mass of rock, commonly a recumbent fold, that has been thrust from its original position by earth movements
the sheet of water that flows over a dam or weir
) either of the two parts into which a
(sense 2) is divided by the vertex
C20: from French: tablecloth
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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