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Related to abscissions: abscission layer


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


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.]


(æbˈsɪʒən; -ˈsɪʃ-)
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]


(æbˈsɪʒ ən, -ˈsɪʃ-)

1. the act of cutting off; sudden termination.
2. the normal separation of flowers, fruit, and leaves from plants.
[1605–15; < Latin abscissiō. See abscissa, -tion]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.abscission - shedding of flowers and leaves and fruit following formation of scar tissue in a plantabscission - shedding of flowers and leaves and fruit following formation of scar tissue in a plant
shedding, sloughing - the process whereby something is shed
2.abscission - the act of cutting something offabscission - the act of cutting something off  
remotion, removal - the act of removing; "he had surgery for the removal of a malignancy"
circumcision - the act of circumcising; surgical removal of the foreskin of males
References in periodicals archive ?
Among the abscissions due to boll weevil injuries, it was observed injuries due to other reasons amounted to 7% of total reasons.
Cotton squares and small cotton bolls fallen on the soil due to natural abscission were not considered in the data analysis.
The treatment increased the overall quality of both flower species and reduced electrolyte leakage and the number of abscissions in the snapdragon.
Leaf and fruit abscissions were determined at every three days by counting the total leaves during the whole period of shelf life, expressed in percentage compared to the initial leaf counting.
Following the treatments, leaf and fruit abscissions were determined daily by counting the total dropped amount during all the period of shelf life, expressed in percentage.
Grain legumes generally undergo considerable abscission of their reproductive structures during flowering and fruiting stages.