What Does AR Stand For?
AR stands for Argon
AR, or Argon, is a colorless, odorless, inert gas that belongs to the noble gases group in the periodic table, with the atomic number 18. It constitutes approximately 0.93% of the Earth's atmosphere and is primarily used in applications such as welding, metal fabrication, and as an inert gas shield in various industrial processes. Argon's non-reactive properties make it valuable for preserving materials and enhancing the performance of certain lighting systems.
Added on 14th April 2008 | Last edited on 17th June 2025 | Edit Acronym