AIR JACKET Definition & Meaning

air jacket

noun

an envelope of enclosed air around part of a machine, as for checking the transmission of heat.
British. life jacket.

air jacket

noun

an air-filled envelope or compartment surrounding a machine or part to reduce the rate at which heat is transferred to or from it Compare water jacket
a less common name for life jacket

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�y��vlog History and Origins

Origin of air jacket¹

First recorded in 1905–10

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Example Sentences

Examples have not been reviewed.

Laura Collett says she owes her life to a hi-tech air jacket after which left the British event rider with spine, shoulder and rib fractures.

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Air cooling is carried out by fans which drive air through air jackets on cylinders.

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The lightweight air jacket, which is now used by many riders in eventing, is designed to inflate after a fall and offer a cushion to the neck, spine and body.

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