— 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 ]