Definition of sweepback in English:

sweepback

Syllabification: sweep·back
Pronunciation: /ˈswēpbak
 
/

noun

The angle at which an aircraft’s wing is set back from a right angle to the body.
More example sentences
  • The wing sweepback angle varies from 16° to 69°, with respect to the wing leading edge with four outer-wing panel fixed positions of 16°, 35°, 45° and 69°.
  • Physically, the new wing will have a higher aspect ratio and a more pronounced sweepback angle, allowing for more efficient high-speed cruise performance.
  • The German introduction of the turbojet engine and moderate wing sweepback to improve high-speed flight performance was matched by Allied developments.

Definition of sweepback in:

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Word of the day retroflex
Pronunciation: ˈrɛtrə(ʊ)flɛks
adjective
turned backwards