zs

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See also: Zs, Z's, and z's

Translingual[edit]

Symbol[edit]

zs

  1. (metrology) Symbol for the zeptosecond, an SI unit of time equal to 10−21 seconds.

English[edit]

Noun[edit]

zs (plural only)

  1. (slang, in cartoons) sleep
    It's getting late: it's time to catch some zs.

Related terms[edit]

Translations[edit]