エクダイソンalso: エクジソンMeanings1nounecdysoneA steroid hormone that triggers molting in insects and other arthropods. Used in biology and entomology contexts.エクダイソンは昆こん虫ちゅうの脱だっ皮ぴを促うながすホルモンです。Ecdysone is a hormone that promotes molting in insects.