attosecond
English Thesaurus
1. one quintillionth (10^-18) of a second; one thousandth of a femtosecond (noun.time)
| hypernym | : | time unit, unit of time, |
| definition | : | a unit for measuring time periods (noun.time) |
| part meronym | : | femtosecond, |
| definition | : | one quadrillionth (10^-15) of a second; one thousandth of a picosecond (noun.time) |
Visual ArtiKata
Explore attosecond in ArtiKata.com >