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MENA 
- Mutual exclusion
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- N+1 redundancy
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- N-acetylcysteine
- N-acetylgalactosamine
- N-acetylglucosamine
- N-acetylneuraminic acid
- N-acetyltransferase
- N-acyl homoserine lactone
- N-bromosuccinimide
- N-butanol
- N-butylamine
- N-cadherin
- N-electron valence state perturbation theory
- N-ethylmaleimide
- N-glycolylneuraminic acid
- N-glycosylation
- N-grams
- N-heterocyclic carbene
- N-hydroxysuccinimide
- N-linked glycosylation
- N-methyl-2-pyrrolidone
- N-methylformamide
- N-methylmorpholine N-oxide
- N-methylpyrrolidone
- N-nitrosodiethylamine
- N-nitrosodimethylamine
- N-phenylglycine
- N-propyl bromide
- N-sphere
- N-terminal
- N-triples
- N-vector