- neritic facies
- net loss
- net rate
- net return
- net royalty
- net ton
- netted
- neuraminic
- neutra-number
- neutral resins
- neutral temperature
- neutralization number
- neutron log
- neve slope
- natural rubber
- natural steel
- natural synthesis
- near schistosity
- neat fluid
- neat plaster
- nebular hypothesis
- negative buoyancy
- negative work
- neocene
- neodymium glass
- neohexane
- neohexane process
- neozoic
- nephelinite
- neritic
- Nernst effect
- net tonnage
- network structure
- neural salt
- neutral fat
- neutral solvent
- neutralization
- neutralize
- neutralizer
- neutralizing agent
- neutralizing treating
- neutron logging
- neve basin
- new soil
- niacinamide
- niangon
- nichrome
- nickel
- nickel carbonyl
- nickel mineral
- nickel ocher
- nickel pan
- Nickel steel
- nickel titanium
- nickeliferous
- nicotinamide
- nife-zone
- nigger oil
- nigrite
- nigrosine
- nitranite
- nitrate
- nitration
- nitre
- nitric ester
- nitric oxide
- nitride
- nitriding furnace
- nitriding process
- nitro-substitution
- nitroalkane
- nitrogelatine
- nitrogen bridge
- nitrogen containing
- nitrogen fixation
- nitrogen manure
- nitrogenous equilibrium
- nitrometer
- nitrophenol
- nitrophosphate
- nitrosulphusric acid
- nitrotartaric acid
- nitrous compound
- no-nplastic
- nominal
- nominal output
- nominal price
- non-aqueous
- non-blooming
- non-conducting
- non-corroding
- net income
- net slip
- neutral absorbent
- neutral atom
- neutral ester
- neutral molecule
- neutral rock
- neutral slag
- neutralization value