also seen as ns

A unit of time representing one billionth of a second.

Historical perspective: By 2016, high-speed trading got closer to the speed of light. According to The Wall Street Journal, it took one fintech firm just 85 nanoseconds -- 85 billionths of a second -- to send data back and forth to a stock exchange, giving them a tiny but critical edge.

See also : hyperspeed  ohnosecond  
NetLingo Classification: Technical Terms