Word.ws English Dictionary

megasecond

megasecond noun: an SI unit of time equal to 10⁶ seconds. Symbol: Ms. (= 11.5741 days).

Noun

megasecond (plural megaseconds)

  1. An SI unit of time equal to 10⁶ seconds. Symbol: Ms. (= 11.5741 days)
    • Holonyms: fortnight < month < year < gigasecond < century < kiloannum, kiloyear, millennium < terasecond < mega-annum, megayear < petasecond < giga-annum, gigayear < exasecond < zettasecond < yottasecond < ronnasecond < quettasecond
    • Meronyms: quectosecond < rontosecond < yoctosecond < zeptosecond < attosecond < femtosecond < picosecond < nanosecond < microsecond < millisecond < centisecond < decisecond < second < decasecond < minute < hectosecond < kilosecond < hour < day < week

Forms of megasecond

pluralmegaseconds

Origin of megasecond

From mega- + second.

Questions about megasecond

What does megasecond mean?
Megasecond means an SI unit of time equal to 10⁶ seconds. Symbol: Ms. (= 11.5741 days).
What part of speech is megasecond?
Megasecond is a noun.
What is the plural of megasecond?
The plural of megasecond is megaseconds.

Words near megasecond in the dictionary

  1. megascopic
  2. megascopical
  3. megascopically
  4. megasea
  5. megaseas
  6. megasecond
  7. megaseconds
  8. megasecopteran
  9. megasecopterans
  10. megaseism
  11. megaseismic

Source and license

Adapted from Wiktionary: megasecond (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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