Term: metformin
IPA: mɛtˈfɔː.mɪn, mɛtˈfɔɹ.mɪn

==English==
[[File:Metformin.svg|thumb|150px|Molecular structure of '''metformin''']]
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===Etymology===
{{ety|en|:af|meth-|-formin<t:phenformin derivative>|text=+|tree=1}}

===Pronunciation===
* {{IPA|en|/mɛtˈfɔː.mɪn/|a=RP}}
* {{IPA|en|/mɛtˈfɔɹ.mɪn/|a=GA}}
* {{audio|en|LL-Q1860 (eng)-Naomi Persephone Amethyst (NaomiAmethyst)-metformin.wav|a=GA}}

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

# {{lb|en|pharmaceutical drug}} A [[biguanide]] [[derivative]], C<sub>4</sub>H<sub>11</sub>N<sub>5</sub>, used, now chi