Nitro-glycerin is a chemical compound that is commonly used in the medical field to treat heart-related conditions such as angina and heart attacks. The compound functions by relaxing the blood vessels and increasing blood flow to the affected area. There are many synonyms for nitro-glycerin including Trinitroglycerin, Nitroglycerol, and Glyceryl Trinitrate. These synonyms are often used interchangeably and are all derived from the chemical composition of the compound itself. While nitro-glycerin is a potent medication that can aid in cardiovascular health, it is important to note that it can also have adverse side effects if not used correctly. Always consult with a medical professional before taking any medication.