The term "Ir" can refer to the chemical element with the symbol Ir and atomic number 77. It is a dense, silvery-white metal belonging to the platinum group and is known for its high resistance to corrosion and high melting point. Iridium is often used in applications such as spark plugs, electrical contacts, and in various alloys due to its durability. In a different context, "Ir" can also represent the Spanish verb "ir," which means "to go." This verb is commonly used in everyday conversation and is an essential part of Spanish grammar. It is an irregular verb, meaning its conjugation does not follow standard patterns, making it important for learners of the language to study its forms.