9 letters · 13 points in Scrabble
noun a chemical that is sprayed on plants and causes their leaves to fall off
originEtymology tree English defoliate Latin -ns Latin -āns Old French -antbor. Proto-Indo-European *-onts Proto-Germanic *-ndz Proto-West Germanic *-andī Old English -ende Middle English -ant English -ant English defoliant From defoliate + -ant.
Etymology from Wiktionary, CC BY-SA 3.0