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The Collaborative International Dictionary
Abscission

Abscission \Ab*scis"sion\, n. [L. abscissio. See Abscind.]

  1. The act or process of cutting off. ``Not to be cured without the abscission of a member.''
    --Jer. Taylor.

  2. The state of being cut off.
    --Sir T. Browne.

  3. (Rhet.) A figure of speech employed when a speaker having begun to say a thing stops abruptly: thus, ``He is a man of so much honor and candor, and of such generosity -- but I need say no more.''

Douglas Harper's Etymology Dictionary
abscission

"removal or cutting away," early 15c., from Latin abscissionem (nominative abscissio) "a cutting off," noun of action from past participle stem of abscindere "to cut off" (see abscissa).

Wiktionary
abscission

n. 1 The act or process of cutting off. 2 (context obsolete English) The state of being cut off. (Attested only in the mid 17th century.) 3 (context rhetoric English) A figure of speech employed when a speaker having begun to say a thing stops abruptly 4 (context botany English) The natural separation of a part at a predetermined location, such as a leaf at the base of the petiole. (First attested in the late 19th century.)

WordNet
abscission
  1. n. shedding of flowers and leaves and fruit following formation of scar tissue in a plant

  2. the act of cutting something off [syn: cutting off]

Wikipedia
Abscission

Abscission (from the Latinab, meaning away, and scindere, meaning to cut) is the shedding of various parts of an organism, such as a plant dropping a leaf, fruit, flower, or seed. In zoology, abscission is the intentional shedding of a body part, such as the shedding of a claw, husk, or the autotomy of a tail to evade a predator. In mycology, it is the liberation of a fungal spore. In cell biology, abscission refers to the separation of two daughter cells at the completion of cytokinesis.

Usage examples of "abscission".

Roman catholic apostolic church, conserved in Calcata, were deserving of simple hyperduly or of the fourth degree of latria accorded to the abscission of such divine excrescences as hair and toenails.

Very few fruits these days are allowed to remain attached to their mother plant until abscission occurs.

In this persuasion certain of the Aztec priests practised complete abscission or entire discerption of the virile parts, and a mutilation of females was not unknown similar to that immemorially a custom in Egypt.

Seitas had been preaching to the converted in all that she had saidabout a clean surgical abscission of what went on in the loins from what went on in the heart.

Roman catholic apostolic church, conserved in Calcata, were deserving of simple hyperduly or of the fourth degree of latria accorded to the abscission of such divine excrescences as hair and toenails.

Weaknesses in the limb axis at the node result if the leaves are pulled off at the abscission layer while they are still green.