Definitions from Wiktionary (Megannum)
▸ noun: Alternative form of mega-annum [Synonym of megayear: a period of 1 million years.]
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▸ noun: Alternative form of mega-annum [Synonym of megayear: a period of 1 million years.]
Similar:
decimillennium,
megerg,
megaerg,
halfyear,
megacentre,
monthaversary,
seculum,
after-years,
quadriennial,
summer-time,
more...
Opposite:
▸ Words similar to megannum
▸ Usage examples for megannum
▸ Idioms related to megannum
▸ Wikipedia articles (New!)
▸ Popular adjectives describing megannum
▸ Words that often appear near megannum
▸ Rhymes of megannum
▸ Invented words related to megannum