Meaning & use
Ablator
Last updated
A material or component specifically designed to wear away gradually, typically to absorb and dissipate intense heat.
See it in a sentence
The spacecraft's heat shield used an ablator that burned away layer by layer during reentry.
Engineers tested the new ablator material under extreme temperatures to simulate atmospheric friction.
A note on using this word
Ablators work through ablation, a controlled erosion process that carries heat away from a spacecraft's surface as the outer layer chars and flakes off.
Words with a similar meaning
heat shield material
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