Terasecond

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    An SI unit of time equal to 10¹² seconds. Symbol: Ts. (= 31709.8 years)

    "Holonyms: mega-annum, megayear < petasecond < giga-annum, gigayear < exasecond < zettasecond < yottasecond < ronnasecond < quettasecond"

Example

More examples

"Holonyms: mega-annum, megayear < petasecond < giga-annum, gigayear < exasecond < zettasecond < yottasecond < ronnasecond < quettasecond"

Etymology

From tera- + second.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.