attosecond 1
noundomain: time
Princeton WordNet [ver.3.1]
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EnglishDefinition
one quintillionth (10^-18) of a second; one thousandth of a femtosecond
Hypernym
time unit 1
noun
a unit for measuring time periods
Part_meronym
femtosecond 1
noun
one quadrillionth (10^-15) of a second; one thousandth of a picosecond
EnglishPart_holonym
femtosecond 1
noun
one quadrillionth (10^-15) of a second; one thousandth of a picosecond
