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