zeptosecond

See also: zepto-second

English

Etymology

zepto- +‎ second

Noun

zeptosecond (plural zeptoseconds)

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

10⁻²¹ second

Finnish: zeptosekunti

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