adjective🔗ShareSerös, wässrigContaining, secreting, or resembling serum; watery; a fluid or discharge that is pale yellow and transparent, usually representing something of a benign nature. (This contrasts with the term sanguine, which means blood-tinged and usually harmful.)"The doctor examined the blister and noted the serous fluid inside, reassuring the patient that it was just a normal reaction and not infected. "Der Arzt untersuchte die Blase und bemerkte die seröse Flüssigkeit im Inneren, was den Patienten beruhigte, dass es sich nur um eine normale Reaktion und nicht um eine Infektion handelte.medicinephysiologybodysubstanceanatomybiochemistryscienceChat with AIVocabulary GamePractice Reading