antidesiccant

noun an·ti·des·ic·cant \ ˌan-tē-ˈde-si-kənt , ˌan-tī- \

Definition of antidesiccant

: a protective coating applied to the foliage of a plant to reduce moisture loss : a substance that prevents desiccation
  • … spray broadleaf evergreens with an antidesiccant to ward off winter dehydration and windburn.
  • —Jessica Damiano

First Known Use of antidesiccant

1964

in the meaning defined above

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