Usually means: One million seconds of time.
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We found 4 dictionaries that define the word megasecond:

General (2 matching dictionaries)
  1. megasecond: Wiktionary
  2. Megasecond: Wikipedia, the Free Encyclopedia

Computing (1 matching dictionary)
  1. megasecond: Encyclopedia

Slang (1 matching dictionary)
  1. megasecond: Urban Dictionary

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Definitions from Wiktionary (megasecond)

▸ noun:  (metrology) An SI unit of time equal to 10⁶ seconds. Symbol: Ms

Similar:
millisecond, microsecond, microsec, μsecond, nanosecond, kilosecond, picosecond, millisiemens, exasecond, rontosecond, more...

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Similar:
millisecond, microsecond, microsec, μsecond, nanosecond, kilosecond, picosecond, millisiemens, exasecond, rontosecond, more...



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