Meaning of DIRECTIONAL in English

— directionality , n. — directionally , adv.

/di rek"sheuh nl, duy-/ , adj.

1. of, pertaining to, or indicating direction in space.

2. Radio. adapted for determining the direction of signals received, or for transmitting signals in a given direction: a directional antenna.

3. of, pertaining to, or providing guidance or leadership.

[ 1605-15; DIRECTION + -AL 1 ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .