Nano-

Nano- (symbol n) is a unit prefix meaning 'one billionth'. Used primarily with the metric system, this prefix denotes a factor of 10−9 or 0.000000001. It is frequently encountered in science and electronics for prefixing units of time and length. Nano- (symbol n) is a unit prefix meaning 'one billionth'. Used primarily with the metric system, this prefix denotes a factor of 10−9 or 0.000000001. It is frequently encountered in science and electronics for prefixing units of time and length.