the science of matter and energy and their interactions

of or pertaining to aeronautics

of or pertaining to aeronautics

of or pertaining to aeronautics

of or pertaining to aeronautics

science and technology of electronic systems and devices for aeronautics and astronautics

designating an airship or dirigible having a form maintained by a stiff unyielding frame or structure

having a form maintained by a rigid internal structure as well as by internal gas pressure

designating an airship having a shape maintained only by internal gas pressure and without a supporting structure

(aeronautics) the ratio of an external load to the weight of the aircraft (measured in g)

(aeronautics) the state of equilibrium in which centrifugal forces due to a rotating mass (e.g., a propeller) do not produce force in the shaft and so vibration is reduced