IV (intravenous): This term refers to something administered through a vein. The abbreviation "IV" stands for "intravenous," which is primarily used as an adjective. The term "intravenous" was adopted into English around 1849, and according to Merriam Webster's Collegiate Dictionary, it signifies something that is located within, performed within, or accessed through a vein. Here are some instances of "intravenous" used as an adjective:- Intravenous antibiotics involve administering a solution with antibiotics directly into the veins.- An intravenous solution contains concentrated antibodies derived from healthy individuals and is delivered directly into a vein.- An intravenous injection involves administering substances such as medication into a vein using a syringe.The adverbial form is "intravenously," as in the sentence: "The glucose was administered intravenously."When used as a noun, "intravenous" refers to a fluid, typically a balanced solution, that is delivered straight into the venous system. This is also known as a drip.