noun
: a layer developed within the separation layer in leaves of deciduous plants at the time of leaf fall that protects the exposed cells from desiccation and infection until the periderm forms
noun
: a layer developed within the separation layer in leaves of deciduous plants at the time of leaf fall that protects the exposed cells from desiccation and infection until the periderm forms
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012