- N+N system
- N2 type carrier system
- N3 type carrier system
- number of revolutions, speed
- need, require; (Zeit) take
- negative terminal (battery)
- non-returnable packaging, one-way packaging
- notch, slot, cut, groove
- notice; (Entlassung) dismissal; (Rücktritt) resignation
- needle stroke, needle lift
- needle bearing, needle roller bearing
- nominal current, rated current
- number of parts; (Akkord) piece rate
- nucleus (core engineering)
- number, figure
- numerical contro, numeric control; NC
- noise suppression system, noise suppression method; noise suppression
- non-urgent alarm, deferred alarm; minor alarm
- nipple stud, stud
- narrow dimension, small face
- national fine thread, NF
- national special thread, NS
- national extra fine thread, NEF
- national coarse thread, NC
- nanna
- nature trail
- negative film
- network card
- new trial
- newspaper cutting
- next world
- night flight
- night person
- Nobel peace prize
- noise limit
- Nordic walking
- numbered account
- nut oil
- notice of rejection
- nuclear engine
- non-European
- net outpayments
- number of unreported cases
- notice of receipt
- number of inhabitants
- nutritional scientist
- narrative perspective
- number of passengers
- network of air routes
