A plant hormone controlling the dropping off or abscission of certain plant parts, notably the leaves of trees in autumn or cotton bolls.

Note: In recent years this term has been replaced by abscisic acid

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  • abscissin — ab·scis·sin …   English syllables

  • abscissin —   n. a plant hormone causing the fall of leaves in autumn …   Dictionary of difficult words

  • abscissin — noun see abscisin * * * abscissˈin noun same as ↑abscisin (see under ↑abscise) • • • Main Entry: ↑abscind …   Useful english dictionary

  • abscission — noun a) The act or process of cutting off. Not to be cured without the abscission of a member. b) The state of being cut off. See Also: abscise, abscisic, abscisic acid, abscisin, abscissin …   Wiktionary

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