mega-annum

English

Alternative forms
  • megannum, megaannum, mega annum, Mega annum
  • Ma (abbreviation)

Etymology

From mega- +‎ annum.

Pronunciation
  • IPA(key): /ˌmɛɡəˈænəm/

Noun

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

  1. Synonym of megayear: a period of 1 million years.
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