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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.

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

"We have high confidence in the system and the heat shield and the parachutes and the recovery systems we put together," Kshatriya said.

From Barron's • Apr. 10, 2026

Pressure built up, which cracked the heat shield and ultimately resulted in larger pieces chipping off during the final reentry.

From Los Angeles Times • Apr. 9, 2026

What remains is re-entry into Earth's atmosphere - the moment that caused so much anxiety after Artemis I, when unexpected heat shield damage triggered an investigation that delayed this mission by more than a year.

From BBC • Apr. 7, 2026

First, it endured reentry via a heat shield.

From "The Martian" by Andy Weir