air pocket

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Related to air pockets: air turbulence

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.

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

air′ pock`et


n.
a nearly vertical air current that can cause an aircraft to lose altitude suddenly.
[1910–15]
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
Translations

air pocket

nvuoto d'aria
References in classic literature ?
And so she drove her motor forward again and then with her firm, white teeth set in grim determination she drove the steering lever far down to port with the intention of forcing the nose of her craft straight into the teeth of the wind, and the wind seized the frail thing and toppled it over upon its back, and twisted and turned it and hurled it over and over; the propellor raced for an instant in an air pocket and then the tempest seized it again and twisted it from its shaft, leaving the girl helpless upon an unmanageable atom that rose and fell, and rolled and tumbled--the sport of the elements she had defied.
The anchor agitator with helical flights and the screwauger agitator work in tandem to promote efficient product turnover while bringing air pockets to the surface.
The curved head is also said to produce rounder planting holes the risk of air pockets when back-filling.
This expansion causes temperatures to decrease and the air to become thinner, and these conditions escalate as the air pockets continue to expand.
Scientists have developed a microscopic coating with air pockets so the contents of a plastic container never actually touch the sides.
To determine if the ozone and the accompanying chemicals came from fires, Anderson and his colleagues used a computer model to trace the air pockets backwards through time based on wind and other factors.
Anderson and his colleagues traced the ozone-laden air pockets back 10 to 15 days in most cases--right back to fires in either Southeast Asia, about 2,000 miles away, or tropical Africa, over 8,000 miles away.
The company says that the pads have a soft lining with air pockets that produce a gentle, dry feeling against sensitive skin.
Used to enhance comfort and provide a massage for passengers in its range of luxury cars, the air system is located in the seat back and features a built-in pump, so small air pockets can be inflated or deflated to suit the needs of the individual.
This paper provides an analysis of the efficacy of polyurethane coil meshes with air pockets under plastering compositions.
The Vemag does not require mineral oil, saving thousands of pounds annually while eliminating product air pockets and surface blisters.
In textile applications, the different cross sections of Umberto create air pockets in the yarn which can deliver a thermal insulation effect in garments; this effect is currently being tested by a renowned institute.