abscission

/æbˈsɪʒən/
noun
  1. The natural process by which a plant drops its leaves, fruits, or other parts, usually in autumn or when they are damaged or no longer needed.
    • The tree's abscission of its leaves happens every fall to conserve water.
    • Gardeners often notice abscission when a plant sheds its old flowers after blooming.
    • Abscission helps the plant get rid of parts that are infected or no longer useful.
  2. The act of cutting off or separating something, especially in surgery or biology.
    • The abscission of the rope was done quickly to free the trapped climber.
    • The surgeon performed an abscission of the damaged tissue to prevent infection.
    • In the lab, abscission of the cell from the group was observed under the microscope.
What does "abscission" mean? | whatsthatwordmean | whatsthatwordmean