Noun: abscission ab'si-zhun
- Shedding of flowers and leaves and fruit following formation of scar tissue in a plant
"The tree underwent natural abscission as autumn approached"
- The act of cutting something off
"The abscission of dead leaves is a natural process in plants"
Derived forms: abscissions
Type of: remotion [archaic], removal, shedding, sloughing
Encyclopedia: Abscission