11 letters · 20 points in Scrabble
noun the property of a microphone or antenna of being more sensitive in one direction than in another
noun the quality of being directive
originEtymology tree English directive Proto-Indo-European *-teh₂ Proto-Indo-European *-ts Proto-Indo-European *-teh₂ts Latin -itāsder. Old French -itebor. Middle English -ite English -ity English directivity From directive + -ity.
Etymology from Wiktionary, CC BY-SA 3.0