femtosecond | ||
1. | [ noun ] one quadrillionth of a second; one thousandth of a nanosecond | |
Related terms: | time_unit picosecond attosecond | |
femtosecond | ||
1. | [ noun ] one quadrillionth of a second; one thousandth of a nanosecond | |
Related terms: | time_unit picosecond attosecond | |