Chemistry Abbreviations Starting with the Letters N and O

Abbreviations and Acronyms Used in Chemistry

Atomic model, illustration

Chemistry abbreviations and acronyms are common in all fields of science. This collection offers common abbreviations and acronyms beginning with the letters N and O used in chemistry and chemical engineering.

Chemistry Abbreviations Starting with N

n - nano
n - neutron
n0 - neutron
n - neutron emission
N - Newton
N - Nitrogen
N - Normal (concentration)
n - number of moles
NA - Avogadro constant
NA - Not Active
NA - Nucleic Acid
Na - Sodium
NAA - N-AcetylasPartate
NAA - Naphtalic Acetic Acid
NAC - Naphthenic Acid Corrosion
NAD+ - Nicotinamide Adenine Dinucleotide
NADH - Nicotinamide Adenine Dinucleotide - Hydrogen (reduced)
NADP - Nicotinamide Adenine Dinucleotide Phosphate
NAS - National Academy of Science
Nb - Niobium
NBC - Nuclear, Biological, Chemical
NBO - Natural Bond Orbital
NCE - New Chemical Entity
NCEL - New Chemical Exposure Limit
NCR - No Carbon Required
NCW - National Chemistry Week
Nd - Neodymium
Ne - Neon
NE - Non Equilibrium
NE - Nuclear Energy
NG - Natural Gas
NHE - Normalized Hydrogen Electrode
Ni - Nickel
NIH - National Institutes of Health
NiMH - Nickel Metal Halide
NIST - National Institute of Standards and Technology nm - nanometer
NM - Non Metal
NMR - Nuclear Magnetic Resonance
NNK - Nicotine-derived Nitrosamine Ketone
No - Nobelium
NOAA - National Oceanic and Atmospheric Administration
NORM - Naturally Occurring Radioactive Material
NOS - Nitrous Oxide
NOS - Nitric Oxide Synthase
Np - Neptunium
NR - Not Recorded
NS - Not Significant
NU - Natural Uranium
NV - Non-Volatile
NVC - Non-Volatile Chemical
NVOC - Non--Volatile Organic Chemical
NW - Nuclear Weapon

Chemistry Abbreviations Starting with O

O - Oxygen
O3 - Ozone
OA - Oleic Acid
OAA - OxaloAcetic Acid
OAc - Acetoxy functional group
OAM - Orbital Angular Momentum
OB - Oligosaccharide Binding
OC - Organic Carbon
OD - Optical Density
OD - Oxygen Demand
ODC - Ornithine DeCarboxylase
OER - Oxygen Enhancement Ratio
OF - Oxygen Free
OFC - Oxygen Free Copper
OFHC - Oxygen Free High thermal Conductivity
OH - alcohol
OH - hydroxide
OH - hydroxyl functional group
OI - Oxygen Index
OILRIG - Oxygen Is Losing - Reduction Is Gaining
OM - Organic Matter
ON - Oxidation Number
OP - Organophosphate
OQS - Occupied Quantum State
OR - Oxidation-Reduction
ORNL - Oak Ridge National Laboratory
ORP - Oxidation-Reduction Potential
ORR - Oxidation-Reduction Reaction
Os - Osmium
OSHA - Occupational Safety and Health Administration
OSL - Optically Stimulated Luminescence
OTA - OchraToxin A
OV - Organic Vapor
OVA - Organic Vapor Analyser
OVA - OVAlbumin
OWC - Oil-Water Contact
OX - Oxygen
OX - Oxidation
OXA - OXanilic Acid
OXT - OXyTocin
OXY - Oxygen

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Your Citation
Helmenstine, Anne Marie, Ph.D. "Chemistry Abbreviations Starting with the Letters N and O." ThoughtCo, Feb. 12, 2017, Helmenstine, Anne Marie, Ph.D. (2017, February 12). Chemistry Abbreviations Starting with the Letters N and O. Retrieved from Helmenstine, Anne Marie, Ph.D. "Chemistry Abbreviations Starting with the Letters N and O." ThoughtCo. (accessed April 21, 2018).