Editing Mega- (section)

{{Short description|Metric prefix}}
{{Other uses|Mega (disambiguation){{!}}Mega}}
{{Wiktionary|mega-}}
'''Mega''' is a [[metric prefix|unit prefix]] in [[metric system]]s of units denoting a factor of one million (10<sup>6</sup> or [[1000000 (number)|{{gaps|1|000|000}}]]). It has the unit symbol '''M'''. It was confirmed for use in the [[International System of Units]] (SI) in 1960. ''Mega'' comes from {{langx|grc|μέγας|mégas|great}}.<ref>{{Cite web|url=http://www.oed.com/view/Entry/115861|title=Oxford English Dictionary (OED Online)|date=June 2001|website=www.oed.com|publisher=Oxford University Press|language=en|access-date=2017-09-18|quote=Origin: A borrowing from Greek. Etymon: Greek μεγα-. ... Forming scientific and technical terms with the sense 'very large', 'comparatively large', or (esp. in Pathol.) 'abnormally large', often having correlatives beginning micro-, and sometimes also synonyms beginning macro-.|url-access=subscription |edition=3rd}}</ref>