Metaphen

noun
Met·​a·​phen | \ ˈmetəfə̇n \

Definition of Metaphen

medical
: a preparation of nitromersol formerly a U.S. registered trademark

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First Known Use of Metaphen

1925, in the meaning defined above

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The first known use of Metaphen was in 1925

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Cite this Entry

“Metaphen.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/Metaphen. Accessed 10 December 2019.

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