Term: menadione
IPA: ˌmɛn.əˈdʌɪ.əʊn, ˌmɛn.əˈdaɪˌoʊn

{{also|ménadione}}

==English==
[[File:Menadione.svg|thumb|150px|Chemical structure of '''menadione''']]
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===Etymology===
{{ety|en|:af|methyl<alt:me(thyl)>|naphthalene<alt:na(phthalene)>|dione|text=+|tree=1}}

===Pronunciation===
* {{IPA|en|/ˌmɛn.əˈdʌɪ.əʊn/|a=RP}}
* {{IPA|en|/ˌmɛn.əˈdaɪˌoʊn/|a=GA}}

===Noun===
{{en-noun|~}}

# {{lb|en|pharmaceutical drug}} A [[synthetic]] [[yellow]] [[compound]] C<sub>11</sub>H<sub>8</sub>O<sub>2</sub> with the {{w|biological activity}} of natural [[vitam