d 2 i 1 r 1 e 1 c 3 t 1 i 1 o 1 n 1 a 1 l 1 i 1 t 1 i 1 e 1 s 1
16 letters · 19 points in Scrabble
Meaning
noun the property of a microphone or antenna of being more sensitive in one direction than in another
noun the property of being directional or maintaining a direction