aldosterone Syllabification: (al·dos·te·rone)Pronunciation: /alˈdästəˌrōn/Definition of aldosterone noun Biochemistry a corticosteroid hormone that stimulates absorption of sodium by the kidneys and so regulates water and salt balance. Origin: 1950s: blend of aldehyde and steroid, + -onealdosterone in other Oxford dictionaries Definition of aldosterone in the British & World English dictionary
