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air pocket |
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air pocket a localized region of low air density or a descending air current, causing an aircraft to suffer an abrupt decrease in height air pocket [′er ‚päk·ət] (engineering) An air-filled space that is normally occupied by a liquid. Also known as air trap. (meteorology) An expression used in the early days of aviation for a downdraft; such downdrafts were thought to be pockets in which there was insufficient air to support the plane. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| ? Mentioned in | ? References in periodicals archive | |
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Chicken feather fibers are unusual, Yang says, because they are
very light and they contain lots of small air pockets arranged like a
honeycomb. This is accomplished by means of a shrink-sleeve label over
ribs in the cup that create air pockets. The surrounding hills catch cold air pockets and precipitation
and push them into the valley, making the preserve one of the coolest
and wettest spots in Maryland and creating an isolated refuge for
species normally found much farther north. |
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