noun Pathology.
- a serious, acute blood disease, sometimes related to drug or radiation therapy, characterized by extreme leukopenia, fever, and ulcerations of the mucous membranes.
noun
- a serious and sometimes fatal illness characterized by a marked reduction of leucocytes, usually caused by hypersensitivity to certain drugs
n.
- An acute disease characterized by high fever, lesions of the mucous membranes and skin, and a sharp drop in circulating granular white blood cells.