1. the removal or loss of leaves from a plant or tree
Usage: commonly used in botany, forestry, and environmental contexts
2. the stripping of leaves from trees or vegetation, especially as a military or agricultural tactic
Usage: historical and military usage

Examples

• Severe defoliation of the oak trees was caused by the invasive caterpillar species.
• The autumn defoliation happens gradually as temperatures drop.
• Acid rain can accelerate defoliation in sensitive forest ecosystems.
• Farmers monitor defoliation rates to assess crop damage from pests.
• The defoliation of the landscape in late fall creates a stark, bare appearance.
• Chemical defoliation was used during the war to remove jungle cover.
• Early defoliation in spring can indicate disease or environmental stress.