hectosecond

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noun

(metrology) An SI unit of time equal to 10² seconds. Symbol: hs. (= 00:01:40 = 1.666̄̄ minutes)

“Meronyms: quectosecond < rontosecond < yoctosecond < zeptosecond < attosecond < femtosecond < picosecond < nanosecond < microsecond < millisecond < centisecond < decisecond < second < decasecond < minute”

Scrabble 19
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Meanings

nounhectosecond (plural hectoseconds)

plural hectoseconds

  1. rare(metrology) An SI unit of time equal to 10² seconds. Symbol: hs. (= 00:01:40 = 1.666̄̄ minutes)

    Meronyms: quectosecond < rontosecond < yoctosecond < zeptosecond < attosecond < femtosecond < picosecond < nanosecond < microsecond < millisecond < centisecond < decisecond < second < decasecond < minute

    1 more example

    Holonyms: 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 < quettasecond

Origin

From hecto- + second.

Full word history & related roots →

Translations

Dutch hectoseconde
  • hectosecondeunit of time equal to 100 seconds
Finnish hehtosekunti
  • hehtosekuntiunit of time equal to 100 seconds
Slovak hektosekunda
  • hektosekundaunit of time equal to 100 seconds
Cite this entry
APA

hectosecond. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/hectosecond

MLA

“hectosecond.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/hectosecond. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “hectosecond,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/hectosecond.

Source: hectosecond on Wiktionary, CC BY-SA 4.0.