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cission
1
the deliberate or natural removal of a part from a whole, especially through cutting, separation, or detachment
- The surgeon performed an abscission of the damaged tissue.
- Political abscission from the union led to years of unrest.
- The artist's work symbolized emotional abscission from past trauma.
- The treaty marked the formal abscission of the disputed territory.
- The abscission of the limb was necessary to prevent infection.
Synonyms:
2
a botanical process in which a plant naturally sheds parts such as leaves, petals, or fruit, typically after forming a protective layer of scar tissue at the base
- Autumn triggers abscission in deciduous trees, causing leaves to fall.
- The plant's abscission zone formed before the fruit dropped.
- Hormonal changes regulate abscission in flowering plants.
- Drought stress can accelerate abscission of leaves.
- Scientists studied the timing of abscission in citrus trees.