air pocket

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air pocket

n.
1. An isolated space containing trapped air, as in bread dough or a collapsed mine shaft.
2. A localized atmospheric condition, such as a downdraft, that causes an aircraft to lose altitude abruptly.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

air pocket

n
1. (Aeronautics) a localized region of low air density or a descending air current, causing an aircraft to suffer an abrupt decrease in height
2. (Mining & Quarrying) any pocket of air that prevents the flow of a liquid or gas, as in a pipe
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

air′ pock`et


n.
a nearly vertical air current that can cause an aircraft to lose altitude suddenly.
[1910–15]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.air pocket - a local region of low pressure or descending air that causes a plane to lose height suddenlyair pocket - a local region of low pressure or descending air that causes a plane to lose height suddenly
atmospheric phenomenon - a physical phenomenon associated with the atmosphere
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations

air pocket

nvuoto d'aria
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995
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References in periodicals archive
This causes the vertical draft to work even more effectively; using the hotter air at the top as the "thermal engine" to drive the conductive airflow.
Mechanical aerators are of several general types - horizontal paddle, vertical turbine, and vertical draft tube.
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