- n person game
- n-person game
- n-person general sum game
- n person noncooperative game
- n-person non-cooperative game
- n-person zero-sum game
- n Pfister form
- n-Pfister form
- NPH
- NP-hard
- NP hard language
- NP hardness
- NP hard problem
- NP-hard problem
- N phenylacetamide
- N-phenylacetamide
- N phenylglycine
- N-phenylglycine
- N-phenylglycine; anilinoacetic acid
- NPI
- NPIC
- n-place number
- n-place predicate
- n-place relation
- n-plane