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)

Credits