Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A plant hormone, C15H20O4, involved in the abscission of leaves, flowers, and fruits and the dormancy of buds and seeds.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun biochemistry A terpenoid plant hormone that inhibits seed germination; once thought to be important in abscission.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

abscision +‎ -ic

Examples

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