noun🔗ShareAntiserum, HeilserumA serum prepared from human or animal sources containing antibodies specific for combatting an infectious disease."The doctor injected the patient with antiserum to help fight off the snake venom. "Der Arzt injizierte dem Patienten Antiserum, um ihm zu helfen, dem Schlangengift entgegenzuwirken.medicinediseasebiologybiochemistryorganismanimalhumanChat with AIVocabulary GamePractice Reading