1. (

• nitroglycerin ,
• nitroglycerine ,
• trinitroglycerin ,
• glyceryl_trinitrate ,
• Nitrospan ,
• Nitrostat

) a heavy yellow poisonous oily explosive liquid obtained by nitrating glycerol; used in making explosives and medically as a vasodilator (trade names Nitrospan and Nitrostat) ;