What does mega-annum mean?
Mega-annum means Synonym of megayear: a period of 1 million years..
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/ˌmɛɡəˈænəm/ · noun
Synonym of megayear: a period of 1 million years..
Holonyms: petasecond < giga-annum, gigayear < exasecond
Meronyms: quectosecond < rontosecond < yoctosecond < zeptosecond < attosecond < femtosecond < picosecond < nanosecond < microsecond < millisecond < centisecond < decisecond < second < decasecond < minute < hectosecond < kilosecond < hour < day < week < megasecond < fortnight < month < year < gigasecond < century < kiloannum, kiloyear, millennium < terasecond
Use mega-annum when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Mega-annum means Synonym of megayear: a period of 1 million years..
Common synonyms include megayear.
The opposite depends on the specific sense.
Holonyms: petasecond < giga-annum, gigayear < exasecond
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