Submitted by György Chityil ... on Fri, 01/19/2018 - 18:23 Hierarchy: AbbreviationDescription: {{metrology}} Symbol for '''megannum''', a unit of time equal to one million years.Ngram: MaNgram Text: MaSource: WiktionaryIssue: 0Wiktionary tag: metrologyNgram Count: 1Wikokit WikiText ID: 108238
