- the velocity at which a falling body moves through a medium, as air, when the force of resistance of the medium is equal in magnitude and opposite in direction to the force of gravity.
- the maximum velocity of a body falling through a viscous fluid.
- the greatest speed that a rocket, missile, etc., attains after burnout or after leaving the barrel of a gun.
- the speed of a missile or projectile on impact with its target.
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Examples from the Web for terminal velocity
I went out to do the terminal-velocity dive with the nine-g pull-out.Test Pilot|David Goodger (email@example.com)
British Dictionary definitions for terminal velocity
the constant maximum velocity reached by a body falling under gravity through a fluid, esp the atmosphere
the velocity of a missile or projectile when it reaches its target
the maximum velocity attained by a rocket, missile, or shell flying in a parabolic flight path
the maximum velocity that an aircraft can attain, as determined by its total drag
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012