We found 6 dictionaries that define the word nonprotein nitrogen:

General (2 matching dictionaries)

1. nonprotein nitrogen: Dictionary.com
2. nonprotein nitrogen, nonprotein nitrogen (NPN): TheFreeDictionary.com

Computing (1 matching dictionary)

3. nonprotein nitrogen, nonprotein nitrogen (NPN): Encyclopedia

Medicine (3 matching dictionaries)

4. Dorland's Illustrated Medical Dictionary (No longer online)
5. online medical dictionary (No longer online)
6. nonprotein nitrogen, nonprotein nitrogen (NPN): Medical dictionary

Phrases: nonprotein nitrogen (npn), more... ▸ Words similar to nonprotein nitrogen ▸ Usage examples for nonprotein nitrogen ▸ Idioms related to nonprotein nitrogen ▸ Wikipedia articles (New!) ▸ Words that often appear near nonprotein nitrogen ▸ Rhymes of nonprotein nitrogen ▸ Invented words related to nonprotein nitrogen