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

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