| / English Dictionary |
ATTOSECOND
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
One quintillionth (10^-18) of a second; one thousandth of a femtosecond
Classified under:
Nouns denoting time and temporal relations
Hypernyms ("attosecond" is a kind of...):
time unit; unit of time (a unit for measuring time periods)
Holonyms ("attosecond" is a part of...):
femtosecond (one quadrillionth (10^-15) of a second; one thousandth of a picosecond)
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