- (CLASSICAL MECH) The constant
velocity finally attained by a body moving through a fluid under gravity
when there is no resultant force acting on it. It is dependent on the shape of the body and the resistance of the air through which it is moving. See also viscosity.
- (AERONAUTICS) The hypothetical
maximum speed that a body, under given conditions of weight
and thrust, could attain along a specified
straight flight path, if diving though an unlimited distance in air
of uniform density.