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Definitions

heat shield

NOUN
heat barrier
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Later this summer, the heat shield will be transported to NASA's Marshall Space Flight Center in Huntsville, Alabama.

From Science Daily • May 4, 2026

Initial inspections indicate the heat shield performed as expected, with no unusual issues observed.

From Science Daily • May 4, 2026

The heat shield is made of a material called Avcoat that is supposed to melt away during re-entry, keeping the Orion crew capsule protected from intense temperatures.

From The Wall Street Journal • Apr. 10, 2026

Space agency officials’ blood pressure was further elevated as experts closely watched the performance of the craft’s heat shield — which astronauts rely on to slow them down and keep temperatures livable.

From Los Angeles Times • Apr. 10, 2026

First, it endured reentry via a heat shield.

From "The Martian" by Andy Weir