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View synonyms for thermal barrier
thermal barrier
noun
, Aeronautics, Rocketry.
- the high temperatures produced by the friction between a supersonic object and the earth's atmosphere that limit the speed of an airplane or rocket.
thermal barrier
noun
- an obstacle to flight at very high speeds as a result of the heating effect of air friction Also calledheat barrier
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Word History and Origins
Origin of thermal barrier1
First recorded in 1950–55
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