Hectosecond

noun

noun ·Rare ·Advanced level

Definitions

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

    "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"

Example

More examples

"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"

Etymology

From hecto- + second.

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