单词 abscisic 释义 abscisic, a. Biochem.|bssk|[f. abscisin + -ic.]abscisic acid: a plant hormone, C15H20O4, which promotes seed and bud dormancy and inhibits germination.1968F. T. Addicott et al. in Science 29 Mar. 1493/3 Abscisin II was the name given t...