There are multiple definitions:

1. National Association of Manufacturers(English)

   • Health care industry

2. National Academy of Medicine(English)

   • to improve health for all by advancing science, accelerating health equity, and providing independent, authoritative, and trusted advice nationally and globally
   • Organizations (documentation), Education
   • https://nam.edu/

3. negative allosteric modulator(English)

   • inhibits the affinity and/or efficacy of the orthosteric agonist
   • PAM
   • Cognitive function, Pharmacology / pharmaceutics
   • https://doi.org…/mol.112.083949

4. nested association mapping(English)

   • CP, HMM, MPP, MAGIC, QTL
   • Genetics
   • https://doi.org…tics.119.302229

5. nevus-associated melanoma(English)

   • Dermatology, Oncology
   • http://pubmed.n…h.gov/37843090/