femtosecond
English Thesaurus
1. one quadrillionth (10^-15) of a second; one thousandth of a picosecond (noun.time)
hypernym | : | time unit, unit of time, |
definition | : | a unit for measuring time periods (noun.time) |
part holonym | : | attosecond, |
definition | : | one quintillionth (10^-18) of a second; one thousandth of a femtosecond (noun.time) |
part meronym | : | picosecond, |
definition | : | one trillionth (10^-12) of a second; one thousandth of a nanosecond (noun.time) |
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