ecdysonePronunciation: /ˈɛkdɪsəʊn, ɛkˈdʌɪsəʊn/Definition of ecdysone noun [mass noun] Biochemistry a steroid hormone that controls moulting in insects and other arthropods. Origin: 1950s: from Greek ekdusis 'shedding' + -oneecdysone in other Oxford dictionaries Definition of ecdysone in the US English dictionary
