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abscission layer
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noun Botany.
the layer of specialized, cutinized parenchyma cells that develops in the abscission zone, the disintegration of which causes abscission.
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Also called separation layer.
Origin of abscission layer
First recorded in 1915–20
Words nearby abscission layer
abscind, abscise, abscisic acid, abscissa, abscission, abscission layer, abscission zone, abscond, abscondee, abscondence, abseil
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
British Dictionary definitions for abscission layer
abscission layer
noun
a layer of parenchyma cells that is formed at the bases of fruits, flowers, and leaves before abscission. As the parenchyma disintegrates, the organ becomes separated from the plant
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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