abscission

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. shedding of flowers and leaves and fruit following formation of scar tissue in a plant
• Hypernyms:
shedding, sloughing
2. the act of cutting something off
• Syn:
cutting off
• Derivationally related forms:
abscise
• Hypernyms:
removal, remotion
• Hyponyms:
circumcision