The term 'antiseptic element' refers to substances that are used to prevent the growth of microorganisms on living tissue. Iodine (6 letters) is a chemical element that has antiseptic properties and is often used as a topical solution for wounds. Iodol (5 letters) is an iodine-based antiseptic solution that is used to treat skin infections. Lister (6 letters) is a brand of antiseptic solution that contains iodine and is used to clean and disinfect wounds.