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View synonyms for
abscission
[ ab-sizh-uhn, -sish- ]
noun
- the act of cutting off; sudden termination.
- Botany. the normal separation of flowers, fruit, and leaves from plants.
abscission
/ -ˈsɪʃ-; æbˈsɪʒə /
noun
- the separation of leaves, branches, flowers, and bark from plants by the formation of an abscission layer
- the act of cutting off
abscission
/ ă-ĭ′ə /
- 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.
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51Թ History and Origins
Origin of abscission1
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51Թ History and Origins
Origin of abscission1
C17: from Latin ō-, from ab- 1+ ō a cleaving
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Example Sentences
Examples have not been reviewed.
Not abscisic acid, the one that “abscission zone” would seem to imply.
From
When days shorten, the leaves begin to accumulate more of this chemical during the night, stimulating the formation of an abscission layer.
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The abscission process leaves behind the primary cilium and any signaling systems localized to the cilium.
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Additional insights important to TAG biosynthesis, fruit ripening and abscission are provided in .
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Students worked with collaborative teams to develop innovative methods for quantifying leaf color change and abscission in campus trees.
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