What Does A Stand For?
A stands for Atto
Atto, represented by the acronym "A," is a unit of measurement in the International System of Units (SI) that denotes one quintillionth (10^-18) of a given unit. It is commonly used in scientific contexts, particularly in fields such as physics and chemistry, to express extremely small quantities, such as masses or charges at the atomic and subatomic levels.
Added on 14th April 2008 | Last edited on 17th June 2025 | Edit Acronym