- Non-Party-Polity
- non-Pascalian geometry
- non-Pascal probability logic
- non-perfect information
- non-perfect set
- non-perfect space
- non-performance of obligation
- non-performing asset ratio
- nonperiodic
- non-periodic comet
- nonperiodic decimal
- nonperiodic function
- non-periodic motion
- non-periodic motion, acyclic motion
- nonperiodic part
- non-periodic sampling
- nonperiodic signal
- non-periodic variable
- non-periodic variation
- non-persistent carrier sense multiple access
- non-persistent carrier sense multiple access, non-persistent CSMA
- non-persistent CSMA
- non-perturbative method of renormalization
- non-phosgene transesterification-condensation method
- non-photorealistic illumination model