シクロプロパンシクロプロパンMeanings1nouncyclopropaneA cyclic alkane with the formula C₃H₆, used in organic chemistry and formerly as an anesthetic.シクロプロパンは三さん員いん環かん構こう造ぞうを持もつ炭たん化か水すい素そである。Cyclopropane is a hydrocarbon with a three-membered ring structure.