- neuroplegia
- neural anastomosis
- neurophysician
- nerve suture
- nylon knot
- nonfinancial
- new siberian islands
- near east
- Norman architecture
- norfolk
- neuromuscular ending
- neuromusclar apparatus
- northern harrier
- niblick
- neuromyopathy
- nucleus of the hypoglossal nerve
- necrotic lesion
- necrospermia
- neuroanatomic pathway
- ninhursag
- night_line
- network congestion
- network load analysis
- neisseria catarrhalis
- northern mariana islands
- nematode resistant rootstock
- national formulary
- nicolson
- nigrotectal tract
- neurasthenia
- non_coded graphics
- nose_rope (for bullocks etc.)
- nonchristian
- non_depolarising relaxant
- not_if then gate
- not_if then element
- not look back
- not fit to be uttered
- neuberg ester
- neurologic
- not to be able even to wink
- neo jazz
- new ireland
- not have the faintest
- not have a snowballs chance in hell
- not care a fig for
- not care twopence
- not care tuppence for
- not care damn
- not have a good word to say for