directional

US /daɪˈrek.ʃən.əl/
UK /daɪˈrek.ʃən.əl/
1.

thuộc về phương hướng

relating to or indicating the direction in which someone or something is situated, moving, or developing.

:
directional signs wherever two paths joined
2.

thuộc về phương hướng

having a particular direction of motion, progression, or orientation.

:
coiling the wire permits directional flow of the magnetic flux