- orbital⇄adj. 1. of an orbit.
Ex. A Discoverer IX satellite rocket ... failed to reach orbital speed and burned up while falling back into the earth's atmosphere (Wall Street Journal).
2. of or having to do with the orbit of the eye. - orbital⇄noun 1. (Physics.) the wave function of an electron moving in a molecule or atom, corresponding to the orbit or path of an electron in earlier theory.
2. (British.) a highway going around the suburbs of a city.
Ex. First priority for roads, - orbital⇄orbital, adjective, noun.