peroxyl

pe·rox·yl

(pĕ-rok'sil), H-O-O; one of the free radicals presumed formed as a result of the bombardment of tissue by high-energy radiation.

pe·rox·yl

(pĕr-ok'sil) One of the free radicals presumed to be formed as a result of the bombardment of water in cells by high-energy radiation.