Definition of dieback in English:

dieback

Syllabification: die·back
Pronunciation: /ˈdīˌbak
 
/

noun

  • A condition in which a tree or shrub begins to die from the tip of its leaves or roots backward, owing to disease or an unfavorable environment.
    More example sentences
    • The tree seems to be experiencing dieback similar to fire blight.
    • If a shrub develops dieback, prune out infected parts.
    • The caterpillars of the gypsy moth are destructive defoliators that feed primarily on oak trees causing growth loss, crown dieback, and tree mortality.

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Pronunciation: skəʊʃ
noun
a small amount; a little