terasecond

See also: tera-second

English

Etymology

From tera- +‎ second.

Noun

terasecond (plural teraseconds)

  1. (metrology) An SI unit of time equal to 1012 seconds. 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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