Usually means: Extremely brief, one sextillionth second.
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We found 8 dictionaries that define the word zeptosecond:

General (7 matching dictionaries)
  1. zeptosecond: Merriam-Webster
  2. zeptosecond: American Heritage Dictionary of the English Language
  3. zeptosecond: Collins English Dictionary
  4. zeptosecond: Wiktionary
  5. zeptosecond: Dictionary.com
  6. Zeptosecond: Wikipedia, the Free Encyclopedia
  7. zeptosecond: TheFreeDictionary.com

Tech (1 matching dictionary)
  1. Rane Professional Audio Reference (No longer online)

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Definitions from Wiktionary (zeptosecond)

▸ noun:  (metrology) An SI unit of time equal to 10⁻²¹ seconds. Symbol: zs

Similar:
zettasecond, rontosecond, yoctosecond, kilosecond, picosecond, exasecond, nanosecond, megasecond, microsecond, attosecond, more...

Opposite:
yoctosecond

Types:
yoctosecond, attosecond, femtosecond, picosecond, nanosecond, microsecond, more...

▸ Words similar to zeptosecond

▸ Usage examples for zeptosecond

▸ Idioms related to zeptosecond

▸ Wikipedia articles (New!)

▸ Popular adjectives describing zeptosecond

▸ Words that often appear near zeptosecond

▸ Rhymes of zeptosecond

▸ Invented words related to zeptosecond

Similar:
zettasecond, rontosecond, yoctosecond, kilosecond, picosecond, exasecond, nanosecond, megasecond, microsecond, attosecond, more...

Opposite:
yoctosecond

Types:
yoctosecond, attosecond, femtosecond, picosecond, nanosecond, microsecond, more...



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