What Does GA Stand For?
GA stands for Gallium Gigaannum
Gallium Gigaannum (GA) is a unit of time measurement representing one billion years, derived from the prefix "giga-" meaning billion and "annum" meaning year in Latin. This term is often utilized in geological and astronomical contexts to describe timescales relevant to the formation and evolution of celestial bodies and geological processes on Earth.
Added on 14th April 2008 | Last edited on 17th June 2025 | Edit Acronym