zeptosecond

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See also: zepto-second

English[edit]

Etymology[edit]

zepto- +‎ second

Noun[edit]

zeptosecond (plural zeptoseconds)

(metrology) A unit of time equal to 0.000 000 000 000 000 000 001 seconds, that is, 10⁻²¹ second, and with symbol zs.

Translations[edit]

10⁻²¹ second

Finnish: zeptosekunti

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