<chemical> Proposed as sedative, analgesic, and muscle relaxant in cattle. ... Chemical name: 4H-1,3-Thiazin-2-amine, N-(2,6-dimethylphenyl)-5,6-dihydro- ... (12 Dec 1998) ... 
Type: Term Pronunciation: zī′la-zēn Definitions: 1. A sedative/hypnotic/anesthetic widely used in veterinary medicine and in laboratory animals.