abscission
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Related to abscission: abscission layer, abscission zone
abscission
an act of cutting off; the process by which plant parts, such as leaves, are shed
Not to be confused with:
incision – a surgical cut into soft tissue; a notch as in the edge of a leaf
Abused, Confused, & Misused Words by Mary Embree Copyright © 2007, 2013 by Mary Embree
ab·scis·sion
(ăb-sĭzh′ən)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 Indo-European roots.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
abscission
(æbˈsɪʒən; -ˈsɪʃ-)n
1. (Botany) the separation of leaves, branches, flowers, and bark from plants by the formation of an abscission layer
2. the act of cutting off
[C17: from Latin abscissiōn-, from ab-1 + scissiō a cleaving]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ab•scis•sion
(æbˈsɪʒ ən, -ˈsɪʃ-)n.
1. the act of cutting off; sudden termination.
2. the normal separation of flowers, fruit, and leaves from plants.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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abscission