antidesiccant

noun
an·​ti·​des·​ic·​cant | \ ˌan-tē-ˈde-si-kənt How to pronounce antidesiccant (audio) , 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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