deoxycorticosterone Syllabification: (de·ox·y·cor·ti·cos·ter·one)Pronunciation: /dēˌäksēˌkôrtiˈkästəˌrōn/Definition of deoxycorticosterone noun Biochemistry a corticosteroid hormone involved in regulating the salt and water balance in the human body. deoxycorticosterone in other Oxford dictionaries Definition of deoxycorticosterone in the British & World English dictionary