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n. 1. The act of cutting off. 2. Botany The shedding of leaves, flowers, or fruits following the formation of the abscission zone. [Latin abscissiō, abscissiōn-, from abscissus, past participle of abscindere, to cut off : ab-, ab- + scindere, to cut; see skei- in the Appendix of Indo-European roots.] |
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