NPN

abbreviation

nonprotein nitrogen

Dictionary Entries Near NPN

NPL

NPN

NPNA

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Cite this Entry

“NPN.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/NPN. Accessed 5 Nov. 2024.

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Medical Definition

NPN

abbreviation
nonprotein nitrogen
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