DIRECTIONAL • E-FREE TRANSLATION.COM • Definition of Directional

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adjective

directional adj.

Of or pertaining to direction (definition 2).

Serving to indicate direction.

(Radio) Transmitting radio signals in a specific direction, or receiving signals only from a narrow angle of directions, thus serving to indicate the direction from which radio signals are coming. Used of antennas; as, a directional antenna.

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Etymology of 'Directional'

Collaborative International Dictionary of English 0.48

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"Directional" Quotes from Famous Books

... factors contributing to the solution of the problem of blind flying consist of a new application of the visual radio beacon, the development of an improved instrument for indicating the longitudinal and lateral position of an airplane, a new directional gyroscope, and a sensitive barometric altimeter, so delicate as to measure the altitude of an airplane within a few feet of ...

— Astounding Stories of Super-Science April 1930 • Various

Words linked to "Directional" : guiding, directional antenna, directional microphone, omnidirectional, direction, leading, directing, directionality, directive