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Dictionary

Words, grammatical forms and meanings linked to the ontology.

mega-annum en · NOUN

Pronunciation

  • /ˌmɛɡəˈænəm/

Etymology

From mega- + annum.

Meanings

  1. 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

Forms

SpellingFeaturesLabelsSource
mega-anna Number=Plur lexicographic
mega-annums Number=Plur lexicographic

Relateds

mul:Ma · megaannum · megannum · mya · Mya · MYA

Synonyms

megayear

wikidata: Q20764