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verb de·fo·li·at·ed, de·fo·li·at·ing, de·fo·li·ates verb, transitive
- To deprive (a plant, tree, or forest) of leaves.
- To cause the leaves of (a plant, tree, or forest) to fall off, especially by the use of chemicals.
Origin: Late Latin dēfoliāre, dēfoliāt- : Latin dē-, de- + Latin folium, leaf; see bhel-3 in Indo-European roots.
- de·foˈli·ate adjective
- de·foˌli·aˈtion noun
- de·foˈli·aˌtor noun