encephalomyeloradiculopathy en·ceph·a·lo·my·e·lo·ra·dic·u·lop·a·thy (ěn-sěf'ə-lō-mī'ə-lō-rə-dĭk'yə-lŏp'ə-thē) n. Any of various diseases of the brain, spinal cord, and spinal roots.