Chemistry Acronyms

Alphabetical Listing of Chemistry Acronyms

• OPAL — Omni-Purpose Apparatus At LEP
• OPAL — Optical Pumping Absorption Lidar
• OPANA — Operational Version of The Atm. Mesoscale Numerical Pollution Model
• OPC — Optical Particle Counter
• OPC — Ordinary Portland Cement
• OPCW — Organization For Prohibition of Chemical Weapons
• OPDIN — Ocean Pollution Data And Information Network
• OPE — Operator Product Expansion
• OPE — Ozone Production Efficiency
• OPEC — Organization of Petroleum Exporting Countries
• OPEE — Organic Phase Enzyme Electrode
• OPG — Optical Parametric Generator
• OPGF — One-particle Green Function
• OPHF — Orbital-polarized Hartree-Fock
• OPIA — Optical Precision Instrument Associates
• OPIDP — Organophosphate Induced Delayed Polyneuropathy
• OPIM — Other Potential Infectious Material
• OPIT — Oxide Powder In Tube
• OPLC — Overpressured Layer Chromatography
• OPM — Open Path Monitors (air Pollution Sensors)
• OPM — Optimized Potential Model
• OPO — Optical Parametric Oscillator
• OPP — Office of Pesticide Programs
• OPPE — Office of Policy
• OPPIS — Optically Pumped Polarized Ion Source
• OPPT — Office of Pollution Prevention And Toxics (US EPA)
• OPPTS — Office For Prevention
• OPSE — Optically Pumped Stimulated Emission
• OPTS — Office of Pesticides And Toxic Substances (USEPA)
• OPW — Orthogonalized Plane Wave
• OR — Odds Ratio
• ORAC — Organic Reaction Accessed By Computer
• ORAC — Oxygen Radical Absorbance Capacity
• ORACLE — Ozone Research Using Advanced Cooperative Lidar Experiment
• ORAM — Optical Random Access Memory
• ORAQI — Oak Ridge Air Quality Index
• ORAU — Oxford Radiocarbon Accelerator Unit (University of Oxford)
• ORBIT — On-line Retrieval of Bibliographic Information Timesharing
• ORC — Origin Recognition Complex
• ORCA — Optical Resonance Cavity Analyzer
• ORD — Office of Research And Development (USEPA)
• ORD — Optical Rotatory Dispersion
• ORD BBS — ORD Electronic Bulletin Board System
• ORF — Open Reading Frame (DNA Sequence)
• ORFEUS — Orbiting Retrievable Far And Extreme Ultraviolet Spectrometers
• ORGDL — Oak Ridge Gaseous Diffusion Lab.
• ORI — Octane Requirement Increase
• ORM — Other Regulated Material (DOT)
• ORNL — Oak Ridge National Laboratory
• ORO — Office of Regional Operations
• ORP — Oxidation-reduction Potential
• ORPA — Optimized Random Phase Approximation
• ORPI — Off-resonance Proton Irradiation
• ORPP — Optimized Relativistic Pseudopotential
• ORS — Odds Ratios
• ORSTB — Overlap-reduced Semiempirical Tight-binding
• ORU — In Orbit Replaceable Unit (spacecraft)
• ORV — Optical Retardation Velocity
• OS — Overlapping Spheres (method)
• OSA — Optical Society of America
• OSAC — Organic Structures Accessed By Computer
• OSAILS — Optical Sensor Array And Integrated Light Source
• OSBG — Optimized Support For Biological Growth
• OSBP — Oxysterol-binding Protein
• OSC — On Site Coordinator
• OSC — Oxygen Storage Capacity
• OSCAR — Oxidn. And Scavenging Characteristics of April Rains
• OSCC — Oral Squamous Cell Carcinoma
• OSCCM — Open-shell Coupled-cluster Method (in Electronic Property Calcn.)
• OSEE — Optically Stimulated Electron Emission
• OSF — Odor Safety Factor
• OSHA — Occupational Safety And Health Act Or Administration
• OSHRC — Occupational Safety And Health Review Commission
• OSIRIS — Optical Spectrograph And IR Imaging System
• OSIRIS — Oxford Supersensitive Injector For Radioactive Isotope Separation
• OSL — Optically Stimulated Luminescence
• OSM — US Office of Surface Mining Reclamation And Enforcement
• OSM — Overlapping Sphere Model
• OSPARCOM — Oslo And Paris Commission [Environmental Regulations For The European Community]
• OSR — Office of Science And Research
• OSRD — Office of Scientific Research And Development
• OSRHF — Open-shell Restricted-Hartree-Fock
• OSRSCF — Open-shell Restricted SCF
• OSSA — Office of Space Science And Applications (NASA)
• OSSE — Oriented Scintillation Spectrometer Experiment
• OSTE — One-step Temper Embrittlement
• OSTI — Office of Scientific And Technical Information
• OSTL — Optically Stimulated Thermoluminescence
• OSTLS — Optical Saturation Thermal Lens Spectrometry
• OSTP — Office of Science And Technology Policy
• OSW — Office of Solid Waste (US EPA)
• OSW — US Office of Saline Water
• OSWASV — Osteryoung Square-wave Anodic Stripping Voltammetry
• OSWER — Office of Solid Waste And Emergency Response (USEPA)
• OSWER BBS — OSWER Electronic Bulletin Board System (see CLU-IN)
• OSWSV — Osteryoung Square Wave Stripping Voltammetry
• OSWV — Osteryoung Square Wave Voltammetry
• OTA — Office of Technology Assessment
• OTAG — Ozone Transport Assessment Group
• OTC — Ozone Transport Commission