Adjective: directional dI'rek-shu-nul or di'rek-shu-nul
- Relating to or indicating directions in space
"a directional microphone"
- Relating to direction toward a (nonspatial) goal
"he tried to explain the directional trends of modern science"
- Showing the way by conducting or leading; imposing direction on
"the directional role of science on industrial progress";
- directing, directive, guiding
See also: leading
Antonym: omnidirectional
Encyclopedia: Directional