WordReference Random House Unabridged Dictionary of American English © 2025
wind′ shear′
(wind),USA pronunciation
- Physics, Meteorologythe rate at which wind velocity changes from point to point in a given direction.
- Physics, Meteorology, Aeronautics, Aeronauticsa condition, dangerous to aircraft, in which the speed or direction of the wind changes abruptly. Cf. microburst.
- 1940–45