| O |
Explanation |
Location/Reference/Context as appropriate |
| -O |
suffix indicating O-group rubbers |
polymer chain contains C and O (eg CO, ECO and GPO) |
| OA |
Open Access |
JISC page |
| OACA |
2-Octyl Amino-4,6-diChloro-s-triAzine |
|
| OACM |
Off-Axis Composite Material |
|
| OAN |
Open Access Nest |
|
| OAPEN |
Open Access Publishing in European Networks Foundation |
|
| OAS |
Oxford Advanced Surfaces |
adhesion promoters |
| OBM |
Original Brand Manufacturer |
|
| OBOR |
One Belt, One Road |
OBOR = MSR (Maritime Silk Road) + SREB (Silk Road Economic Belt) |
| OCAMAC |
Oxford Centre for Advanced Materials and Composites |
University of Oxford |
| OCC |
Old Corrugated Cardboard fibers |
|
| OCCA |
Oil & Colour Chemists' Association |
|
| OCCS | onboard carbon capture and storage |
in the context of fossil-fuel based shipping |
| OCEAN |
Ocean Community Empowerment and Nature |
Defra |
| OCM | (conference) Organising Committee Member | |
| OCMI | Officers in Charge: Marine Inspection | |
| OCP | Open Circuit Potential (Voltage) | |
| OCT | Optical Coherence Tomography | |
| OCT | Over-height Compact Tension specimen | |
| OD | Optical Density | |
| OD | Ozone Depletion | |
| ODA |
Official Development Assistance | |
| ODFC | Oriented Discontinuous Fibre Composites | |
| ODIM | Operational Data Integrated Method | |
| ODLS | Operational Dynamic Load Sequence | |
| ODM | Original Design Manufacturer | |
| ODP |
Ozone Depletion Potential (EICF) |
|
| ODPM |
Office of the Deputy Prime Minister |
London - United Kingdom |
| ODS |
Operating Deflection Shape |
|
| ODS |
Oxide Dispersion Strengthened Alloys |
|
| ODYL |
Ocean Discovery Yachts Limited | |
|
OE |
Open-ended (spinning systems) |
|
|
OECD |
Organization for Economic Cooperation and Development |
Paris - France |
| OED |
Orthogonal Experimental Design |
|
|
OEL |
Occupational Exposure Limits |
|
| OEM |
Original Equipment
Manufacturer |
|
| OEP |
Office for Environmental Protection |
|
| OER |
Oxygen Evolution Reaction |
|
| OES |
Optical Emission Spectroscopy | |
| OFBG |
Optical Fibre Bragg Grating |
|
| OFDR | Optical Frequency Domain Reflectometry |
Technique for interrogating optical fibre sensors |
| OFET | organic field-effect transistor | |
| OFI | Optical Fibre Interferomeeter | |
| OFM |
OpenFlexure Microscope | |
| OfQual | Office of Qualifications and Examinations Regulation |
|
| OFR | Optical Fibre Refractometer | |
| OfS | Office for Students | |
| OFS | Optical Fibre Sensor | |
| OFS | Optical Fibre Spectroscopy | |
| OGEE | Oil and Gas Exploration and Exploitation | |
| OGPM | Oil and Gas Profits Mechanism | |
| OH | Occupational Health | |
| OH |
One Health |
an integrated, unifying approach to sustainably balance and optimise the health of people, animals and ecosystems. |
| OHC | Open Hole Compression | |
| OHP | Outer Helmholtz Plane | |
| OHSA | Occupational Health and Safety Administration | |
| OHT | Open Hole Tension | |
| OIT | Oxidation/Oxidative Induction Time | |
| OLED | Organic Light Emitting Diodes | |
| OLEV | Office for Low Emission Vehicles | |
| OLT | Optical Lock-in Thermography | |
| OM | Optical Microscopy | |
| OMA | Operational Modal Analysis | |
| OMB | Ozone with MicroBubbles | |
| OMC | Organic Matrix Composites | |
| OML | Outer/Outside Mould Line | |
| OMLS | Organo-Modified Layered Silicates | |
| OMS |
Obsolescence Management Strategy | |
| OMSG | Operational Medical Support Group | |
| ONERA |
Office National d’Etudes et de Recherches Aeronautiques |
|
| ONR |
Office of Naval Research |
|
| ONS |
Office for National Statistics |
|
| OOA |
Out-of-Autoclave | |
| OOF |
Object-Oriented Finite element analysis |
|
| OoM |
Orders of Magnitude |
|
| OOO |
Out-of-Oven | |
| OOT |
Oxidation Onset Temperature |
|
| OOW |
Out-of-Water (composite repair) |
|
| OPB |
One Piece Barrel composite fuselage |
Alenia Aermacchi |
| OPEC |
Organization of the Petroleum Exporting Countries |
|
| OPEX |
OPerating EXpenditure/EXperience |
|
| OPF |
Oil Palm Fibre composites |
|
| OPF |
Oil Palm Fronds |
|
| OPFBF |
Oil Palm Fruit Bunch Fibres |
|
| OPI |
Operational Performance Indicator |
|
| OPIN |
Ocean Power Innovation Network |
|
| OPL |
ISO Online Browsing Platform |
|
| OPM |
Online Process Monitoring |
|
| OPM |
Optical Polarising Microscope |
|
| OPO |
Optical Parametric Oscillators |
|
| OPR | Open Peer Review | |
| OPTICOMS | Optimized Composite Structures | Clean Sky |
| O-PTIR | Optical-PhotoThermal IR spectroscopy | |
| OPV | Offshore Patrol Vessels | |
| OPWF | Oil Palm Wood Flour | |
| ORB | Organic Refuse Biocompound |
Biohm mycelium product |
| ORCID | Open Researcher and Contributor IDs | |
| ORD |
Open Research Data |
|
| OREC |
Offshore Renewable Energy Catapult |
|
| OROC | Onshore Remote Operations Centre | |
| ORR |
Office of Rail Regulation |
London - United Kingdom |
| ORS |
On-line Resin State |
Synthesites |
| ORV | Oceanographic Research Vessels | |
| OSA | Optical Spectrum Analyser | |
| OSB | Oriented Strand Board | |
| OSCIBLEND |
direct compounding/injection moulding |
Wolfson Centre for Materials Processing (Brunel University) |
| OSEE | Optically Stimulated Electron Emission | |
| OSIP | Open Space Innovation Platform | |
| OS-IS | Overlapped and Staggered Interface Structure |
|
| OSPL | Overall Sound Pressure Level | |
| OST |
Office of Science and Technology |
London - United Kingdom |
| OSU | Ohio State University | |
| OSV | Offshore Supply Vessel | |
| OSW | 'Open Space' Workshop | |
| OT | Polymer of bis-chloroalkylether with sulphur T-group rubber |
|
| OT | Operational Technology | |
| OT | Optical Tweezers | |
| OTA | (2Z,4Z,6E)-octa-2,4,6-trienoic acid) | Clarissa Olivar et al in JACS 2024 |
| OTDR | Optical Time Domain Reflectometry |
Technique for interrogating optical fibre sensors |
| OTFT |
Organic Thin-Film Transistor | |
| OTMS | Octyl TriMethoxy Silane | |
| OTNR | Offshore Transmission Network Review | |
| OTOM | Optical Thermal Optimization Model | |
| OTP | One Time Passcode | |
| OTP | Optimal Transducer Placement | |
| OUPV | Operator of an Uninspected Passenger Vessel |
|
| OVAAT | One Variable At A Time | |
| OVB | Oven Vacuum Bag |
TD Juska et al in SAMPE Journal, 2009, 45(4), 22-36. |
| OVPOSS | Octavinyl cage-type Polyhedral Oligomeric SilSesquioxane |
|
| OWC | Oscillating Water Column | |
| OWF | Offshore Wind Farm | |
| OWIH | Offshore Wind Innovation Hub | |
| OWIX | Offshore Wind Innovation Exchange | |
| OWRK | Owens, Wendt, Rabel, Kaelble method |
surface free energy |