octadienalWiktionary 原文构词拆分octadiene词根/词干+-al后缀“aldehyde”Of or pertaining to. Adjectival suffix appended to various words, often nouns, to produce an adjective form. Often added to words of Latin origin, but used with other words also. · Forming nouns, especially of verbal action.词源说明From octadiene + -al (“aldehyde”).释义（英文）名词 Noun(organic chemistry) Any of several isomeric unsaturated aliphatic aldehyde having eight carbon atoms and two double bonds.