transcription, транскрипция: [ daɪrekʃən(ə)l, dɪr- ]
1.
If something such as a radio aerial, microphone, or loudspeaker is directional , it works most effectively in one direction, rather than equally in all directions at once. ( TECHNICAL )
Dish aerials are highly directional...
ADJ
2.
Directional means relating to the direction in which something is pointing or going. ( TECHNICAL )
Jets of compressed air gave the aircraft lateral and directional stability.
ADJ : usu ADJ n