heat shield

noun

: a barrier of ablative material to protect a space capsule from heat on its entry into an atmosphere

Examples of heat shield in a Sentence

Recent Examples on the Web Starship launched with a new heat shield, which has 18,000 ceramic tiles and can withstand temperatures up to 2,600 degrees Fahrenheit (1,400 degrees Celsius). Jamie Carter, Forbes, 13 Oct. 2024 The inspector general's report May 1 included new images of Orion's heat shield. Benj Edwards, Ars Technica, 4 Sep. 2024 Ground teams wiped the soot off of the craft's solar arrays and heat shield, then repainted portions of the capsule's radiators around the edge of Dragon's trunk section before rolling the vehicle back to the launch pad Friday. Stephen Clark, Ars Technica, 28 Sep. 2024 Isaacman described the thrill and anxieties of plummeting through Earth’s atmosphere with only the spacecraft’s heat shield protecting it and those inside from extreme temperatures. Lester Holt, NBC News, 17 Sep. 2024 See all Example Sentences for heat shield 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'heat shield.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1962, in the meaning defined above

Time Traveler
The first known use of heat shield was in 1962

Dictionary Entries Near heat shield

Cite this Entry

“Heat shield.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heat%20shield. Accessed 5 Nov. 2024.

Kids Definition

heat shield

noun
: a barrier of insulation to protect a space capsule from heat on its return to earth
Last Updated: - Updated example sentences
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