| 单词 | piperonal |
| 释义 | piperonal /pi per"euh nal', puy-, pip"euhr euh-/, n. Chem. a white, crystalline, water-insoluble aldehyde, C8H6O3, which darkens on exposure to light: used chiefly in perfumery and organic synthesis. Also called piperonyl aldehyde, heliotropin. [1865-70; PIPER(INE) + -ONE + -AL1] |
| 随便看 |
英语词典包含168451条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。