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单词 abscisic acid
释义

WordReference Random House Unabridged Dictionary of American English © 2024
ab•scisic acid  (ab sisik, -siz-),USA pronunciation [Biochem.]
  1. Plant Biology, Biochemistrya growth-regulating plant hormone, C15H20O4, that promotes dormancy and the aging and abscission of leaves.
  • abscis(sion) + -ic, on the model of the earlier name abscisin (see -in2), coined in 1961

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