Meaning of abscission

ab•scis•sion

Pronunciation: (ab-sizh'un, -sish'-), [key]
— n.
  1. the act of cutting off; sudden termination.
  2. the normal separation of flowers, fruit, and leaves from plants.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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