Standard Lemma guide

quettasecond

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

An SI unit of time equal to 1030 seconds. Symbol: Qs. (= sextillions of years, a hypothetical time span that is meaningless except in speculative contexts such as theoretical physics, philosophy, religion, and humorous hyperbole)

Definition source: English Wiktionary via Wiktextract

Topics: metrology

Examples

  • Meronyms: quectosecond < rontosecond < yoctosecond < zeptosecond < attosecond < femtosecond < picosecond < nanosecond < microsecond < millisecond < centisecond < decisecond < second < decasecond < minute < hectosecond < kilosecond < hour < day < week < megasecond < fortnight < month < year < gigasecond < century < kiloannum, kiloyear, millennium < terasecond < mega-annum, megayear < petasecond < giga-annum, gigayear < exasecond < zettasecond < yottasecond < ronnasecond

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From quetta- + second.