aero·​brake | \ ˈer-ō-ˌbrāk How to pronounce aerobrake (audio) \
aerobraked; aerobraking; aerobrakes

Definition of aerobrake

transitive verb

: to decelerate (a spacecraft) by passage through a planetary atmosphere

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Other Words from aerobrake

aerobraking \ ˈer-​ō-​ˌbrā-​kiŋ How to pronounce aerobrake (audio) \ noun
Starting in a week, the spacecraft will use the upper fringes of the Martian atmosphere to lower and circularize its orbit through a technique called aerobraking. — John Noble Wilford

Examples of aerobrake in a Sentence

Recent Examples on the Web In practice, aerobraking at Mars was made problematic by the need to aerobrake the liquid hydrogen propellant required for the flight from Mars back to Earth. David S. F. Portree, WIRED, "NASA’s First Nuclear-Thermal Mars Expedition Study (1960)," 24 July 2013

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'aerobrake.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of aerobrake

1965, in the meaning defined above

History and Etymology for aerobrake

aero- + brake entry 2

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Time Traveler for aerobrake

Time Traveler

The first known use of aerobrake was in 1965

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Cite this Entry

“Aerobrake.” Dictionary, Merriam-Webster, Accessed 23 Jan. 2021.

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