Iodine solution is commonly known as a solution of iodine in water that is used for a variety of applications such as disinfecting wounds, sanitizing surfaces, and testing for the presence of starch. However, there are various other synonyms for iodine solution as well. Some of the common synonyms include iodine tincture, Lugol's solution, and Betadine solution. Iodine tincture is a combination of iodine and alcohol, while Lugol's solution contains iodine, potassium iodide, and water. Betadine solution is a brand name of iodine solution that contains iodine and a surfactant for better penetration. Overall, there are several alternatives to iodine solution that offer similar benefits and can be used interchangeably depending on individual preference and requirements.