Definition of abscission
1 : the act or process of cutting off : removal
2 : the natural separation of flowers, fruit, or leaves from plants at a special separation layer
Origin and Etymology of abscission
Middle English abscisioun, borrowed from Medieval Latin abscīsiōn-, abscīsiō “cutting off, felling, amputation,” going back to Latin, “aposiopesis,” from abscīdere “to cut off or away, remove” + -tiōn-, -tiō, suffix of action nouns; spelling abscission (in Late and Medieval Latin as abscissiōn-, abscissiō) by construing the noun as a derivative of Latin abscindere “to tear off or away” — more at abscise, abscissa
First Known Use: 15th century
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