Scientific & Educational Abbreviations and Acronyms
- NBRNitrile Rubber (Acrylonitrile-Butadiene Rubber)
- NBRHDNeighborhood
- NBRINational Botanical Research Institute
- NBRPNational Bioresource Project
- NBSNational Bureau of Standards
- NBSN-Bromosuccinimide
- NBSNumeric Backspace
- NBSNational Bureau of Standards (US)
- NBSNext Bright Star
- NBSNational Biological Service
- NBSCNitride-Bonded Silicon Carbide
- NBSCPNational Blood Supply Contingency Plan
- NBSPNon Breaking Space Point
- NBSRNational Bureau of Standards Reactor
- NBTnitro blue tetrazolium
- NBT PABAN-Benzoyl-L-Tyrosyl Paraaminobenzoic Acid
- NBUNonreplicating Bacteroides Unit
- NCNo Change
- NCNormally Closed
- NCNickel Cadmium
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