ablator

[a-bley-ter]

ab·la·tor

[a-bley-ter]
noun Aerospace.
See under ablation (def. 3).

Origin:
ablate + -or2

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Ablator is always a great word to know.
So is bezoar. Does it mean:
a scrap or morsel of food left at a meal.
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
Dictionary.com Unabridged

ab·la·tion

[a-bley-shuhn]
noun
1.
the removal, especially of organs, abnormal growths, or harmful substances, from the body by mechanical means, as by surgery.
2.
the reduction in volume of glacial ice, snow, or névé by the combined processes of melting, evaporation, and calving. Compare alimentation (def. 3).
3.
Aerospace. erosion of the protective outer surface (ablator) of a spacecraft or missile due to the aerodynamic heating caused by travel at hypersonic speed during reentry through the atmosphere.

Origin:
1570–80; < Late Latin ablātiōn- (stem of ablātiō). See ablate, -ion

ablation, ablution.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source Link To ablator
Collins
World English Dictionary
ablator (æbˈleɪtə)
 
n
the heat shield of a space vehicle, which melts or wears away during re-entry into the earth's atmosphere
 
[C20: from ablation]

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