Zeptosecond Definition

zĕptō-sĕkənd
noun
One sextillionth (10−21 ) of a second.
American Heritage

A unit of time equal to 0.000 000 000 000 000 000 001 seconds and with symbol zs.

Wiktionary

Other Word Forms of Zeptosecond

Noun

Singular:
zeptosecond
Plural:
zeptoseconds

Origin of Zeptosecond

  • zepto- +"Ž second

    From Wiktionary

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zeptosecond

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