noun; ariosity is a word more commonly used in today's modern informative research essay. it usually appears after hard work and dedication to a paper's outline into the late hours of the night. Typically, upon typing a final copy from the user's rough draft, a large face-palm could ensue. Use this word in moderation, for you don't want to permanently deform your face.
Because of ariosity, the search for ways to harness the Sun's light has been underway for hundreds of years.