Word.ws English Dictionary

mega-annums

mega-annums is the plural of mega-annum.

Meaning of mega-annum

Noun

mega-annum (plural mega-annums or mega-anna)

  1. Synonym of megayear: a period of 1 million years.
    • Holonyms: petasecond < giga-annum, gigayear < exasecond
    Synonyms:
    megayear

Questions about mega-annums

What is mega-annums the plural of?
Mega-annums is the plural of mega-annum.

Words near mega-annums in the dictionary

  1. mega-
  2. mega-amp
  3. mega-amps
  4. mega-anna
  5. mega-annum
  6. mega-annums
  7. mega-becquerel
  8. mega-buck
  9. mega-bucks
  10. mega-cap
  11. mega-caps

Source and license

Adapted from Wiktionary: mega-annums (page history and authors); mega-annum (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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