| 单词 | abscisic acid |
| 释义 | abscisic acid /ab sis"ik, -siz"-/, Biochem. a 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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