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delta-v Syllabification: del·ta-v
Pronunciation: /ˈdeltəˌvē/
(also delta-vee)

Definition of delta-v in English:


Acceleration: four hundred knots of delta-v
More example sentences
  • Their main characteristics are warhead energy, acceleration, and total delta-v.
  • Below acceleration durations of perhaps 50 to 100 milliseconds, the acceleration tolerance versus time curve tends to follow lines of constant velocity change, or delta-v.
  • Further, they don't have the gravity-well problems which Mars and other planets have, and travel between asteroids will always be expensive in either time or delta-vee.


Late 20th century: from delta1 (as a mathematical symbol denoting variation) + v for velocity.

Definition of delta-v in:
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