mega-annum (0 synonym found)

We don't have synonyms for mega-annum yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are giga-annum.

We don't have any synonyms for mega-annum yet.

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giga-annum

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Definition of mega-annum:

°A period of 1 million years.
Definition of mega-annum:

°A period of 1 million years.
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