abscission
[ ab-sizh-uh n, -sish- ]
/ æbˈsɪʒ ən, -ˈsɪʃ- /
noun
the act of cutting off; sudden termination.
Botany.
the normal separation of flowers, fruit, and leaves from plants.
Words nearby abscission
abscess,
abscind,
abscise,
abscisic acid,
abscissa,
abscission,
abscission layer,
abscission zone,
abscond,
abscondee,
abscondence
British Dictionary definitions for abscission
abscission
/ (æbˈsɪʒən, -ˈsɪʃ-) /
noun
the separation of leaves, branches, flowers, and bark from plants by the formation of an abscission layer
the act of cutting off
Word Origin for abscission
C17: from Latin
abscissiōn-, from
ab-
1 +
scissiō a cleaving
Medical definitions for abscission
abscission
[ ăb-sĭzh′ən ]
n.
The act of cutting off or away.
Scientific definitions for abscission
abscission
[ ăb-sĭzh′ən ]
The separation of a leaf, flower, or fruit from a plant as a result of natural structural and chemical changes.♦ The abscission zone is a layer of weak, thin-walled cells that form across the base of the plant part where the break eventually occurs. A corky layer containing suberin forms beneath the abscission zone to protect the plant.