ALL meanings of atto-
atto-
A a - prefix atto- denoting 10–18 3
- noun atto- one quintillionth part of; the factor 10-18 3
- abbreviation Technical meaning of ATTO- prefix 3
- noun Definition of atto- in Technology 1. (unit) An SI prefix used to multiply the value of an SI unit by some power of ten. 2. (programming, mathematics) In mathematics or programming, a prefix operator is one that is written before its operand. In a programming language using prefix notation, all operators are prefix operators. 1
- prefix atto- In the International System of Units and other metric systems of units, multiplying the unit to which it is attached by 10−18. Symbol: a. 0