terasecond

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English[edit]

Etymology[edit]

tera- +‎ second

Noun[edit]

terasecond (plural teraseconds)

  1. A unit of time equal to 1,000,000,000,000 seconds and with symbol Ts.
    • 1977, Isaac Asimov, Asimov on numbers
      The solar system has been in existence for about 150000 teraseconds and may well remain in existence without major change for 500000 additional teraseconds.

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