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v. de·fo·li·at·ed, de·fo·li·at·ing, de·fo·li·ates
1. To deprive (a plant or a vegetated area, for example) of leaves.
2. To cause the leaves of (a plant or plants) to fall off, especially by the use of chemicals.
To lose foliage.

[Late Latin dēfoliāre, dēfoliāt- : Latin dē-, de- + Latin folium, leaf; see bhel- in Indo-European roots.]

de·fo′li·ate (-ĭt) adj.
de·fo′li·a′tion n.
de·fo′li·a′tor n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.defoliated - deprived of leaves
leafless - having no leaves
References in classic literature ?
formerly defoliated to wreathe the brows of victors and such poets as
Blood bags with inhaled whole blood defibrillation filter to produce defoliated erythrocyte concentrate and plasma with added solution cpd + sagm; Quadruple plastic.
If you walk in the woods in an area that's being severely defoliated, it sounds like rain.
2002) (0 = no attack, 1 = 1% to 20% of defoliated area, 2 = 21 to 40% of defoliated area, 3 = 41 to 60% of defoliated area, 4 = 61% to 80% of 5 = 81% to 100% of defoliated area).
He said a sampaguita shrub should also be pruned and defoliated at least once a year to initiate flowering and enhance bud production.
It will really stand out in the garden when all has defoliated around it in winter, with its green summer leaves turning red in the autumn.
If the tree is not too severely defoliated it can be given preventative treatment, in the spring as the new needles are emerging, with an appropriately labeled fungicide according to label instructions.
Halysidota orientalis Rothschild, which defoliated Morus alba L.
Yup, at PS700 a pop they're getting their tootsies defoliated.
The good weather broke at the end of the first week of the month, leading to frost damage in many areas and oaks defoliated.