| 单词 | abscission | 
| 释义 | ab·scis·sion    (ăb-sĭzhən)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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