defoliant
noun
- chemical sprayed or dusted on plants to cause its leaves to fall off
Wiktionary
Pronunciation: /diːˈfəʊlɪənt/
noun
Etymology: Etymology 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.
- An agent used to defoliate plants.
“Agent Orange is a defoliant.”