納秒

nanosecond, ns, 10^-9 s (PRC) / Taiwan equivalent: 奈秒[nai4 miao3]

second (unit of time) / arc second (angular measurement unit) / (coll.) instantly

surname Na

to receive / to accept / to enjoy / to bring into / to pay (tax etc) / nano- (one billionth) / to reinforce sole of shoes or stockings by close sewing