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metformin

American  
[met-fawr-min] / mɛtˈfɔr mɪn /

noun

Pharmacology.

  1. an oral drug, C 4 H 11 N 5 , used in the treatment of type 2 diabetes, often in combination with repaglinide.

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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.