Definition of edema in English:


(British oedema)


  • A condition characterized by an excess of watery fluid collecting in the cavities or tissues of the body.

    Also called dropsy
    • ‘Patients may develop blepharitis and present with ptosis secondary to edema and inflammation.’
    • ‘The bandages substitute for the elasticity lost by tissues engorged with edema.’
    • ‘Hyponatremia in the presence of edema indicates increased total body sodium and water.’
    • ‘Mild edema of the medullary cavity was present in most of these cases.’
    • ‘This reverses the gradient, causing a decrease in tissue and organ edema and associated morbidity.’


Late Middle English: modern Latin, from Greek oidēma, from oidein to swell.