noun. Loss of leaves, as by the depredations of insects; specifically, the fall of leaves in autumn.

noun. The separation of ripened leaves from a branch or stem; the falling or shedding of the leaves.

noun. the act or process of causing plants to lose their leaves, especially by application of a chemical agent.

noun. The separation of ripened leaves from a branch or stem; the falling or shedding of the leaves.

noun. causing the leaves of trees and other plants to fall off (as by the use of chemicals)

noun. the loss of foliage

"· the concentration and type of phenolic compound both vary with season and in response to stimuli such as defoliation;"

defoliate  defoliator  

biological process  change of state  organic process  

ageing  alas!  biological-surveillance  bract  cost/value