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

Keep scrolling for more

Other Words from aerobrake

aerobraking \ ˈer-​ō-​ˌbrā-​kiŋ How to pronounce aerobraking (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

Keep scrolling for more

Learn More about aerobrake

Statistics for aerobrake

Time Traveler for aerobrake

The first known use of aerobrake was in 1965

See more words from the same year

More from Merriam-Webster on aerobrake

Rhyming Dictionary: Words that rhyme with aerobrake

Comments on aerobrake

What made you want to look up aerobrake? Please tell us where you read or heard it (including the quote, if possible).


not being in agreement or harmony

Get Word of the Day daily email!

Test Your Vocabulary

Confusing Words—A Quiz

  • alice with tweedle dee and tweedle dum
  • I invented a brand new toaster robot and ______ it "Sir Toasts-a-Lot."
Spell It

Can you spell these 10 commonly misspelled words?

Add Diction

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!