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(not in technical use) a nearly vertical air current that can cause an aircraft to experience a sudden change in altitude, usually a decrease.
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Water was up to the ceiling tiles, but there was an
in the crawl space.
left pollutants with no escape route.
then pulls the blade toward it, causing the rotor to turn.
As the air in the claw hook is compressed by the rotation of the claw, it is transformed into a high-pressure
Prior to nets being deployed, a bullet float was placed in the cod end of each net to provide an
prevented the inadvertent killing of non-targeted species, such as turtles.
Plunging breakers have a curling crest that moves over an
The five-foot concrete dam was built with an overhanging metal lip that creates a dead
under the waterfall.
At the end of the process, the compressed
expands, carrying excess preservative from the wood.
Check static head to determine if it is sufficient to push
back to pumps, and check volume of gas pocket.
British Dictionary definitions for
a localized region of low air density or a descending air current, causing an aircraft to suffer an abrupt decrease in height
any pocket of air that prevents the flow of a liquid or gas, as in a pipe
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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