sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Operations Research and Engineering | **** |
| Office of Research and Evaluation | **** |
| Office of Research Ethics | **** |
| Object Reuse and Exchange | **** |
| Ohio Reference Excellence | **** |
| Ocean and Resources Engineering | *** |
| off road equipment | *** |
| One Roll Engine | *** |
| Ohio Real Estate | *** |
| Orchard Ridge Elementary | *** |
| obywatelski ruch ekologiczny | *** |
| Oak Ridge Elementary (Oak Ridge, NC) | *** |
| Owned Real Estate | *** |
| Off Road Experience | *** |
| Organization of Exhibitions | *** |
| Organizations and Events | *** |
| OPERATIONAL READINESS EXERCISE | *** |
| Organizational Requirements Engineering | *** |
| Online RPG Engine | *** |
| Oleate Response Element | *** |
| Office for Resource Efficiency | *** |
| Occupations Requiring English | *** |
| Office of Real Estate | *** |
| oncogene response element | ** |
| osmotic response element | ** |
| osmotic response elements | ** |
| overlearning reversal effect | ** |
| overtraining reversal effect | ** |
| OxyR response element | ** |
| Owners Resorts and Exchange | ** |
| Organization for the Rehabilitation of the Environment | ** |
| Occupational Radiological Exposure | ** |
| orion real estate | ** |
| Oil Recovery Efficiency | ** |
| Ocean Research Equipment | ** |
| Outer Ring Excavations | ** |
| Obywatelskiego Ruchu Ekologicznego | ** |
| Office for Rural Education | ** |
| Operational Readiness Exercises | ** |
| Open Receivables Environment | ** |
| Office for Research and Experiments | ** |
| Operational Readiness Evaluations | ** |
| Ozark Recycling Enterprise | ** |
| Ottoman Real Estate | ** |
| Operations Research E | ** |
| Optical Repeater Equipment | ** |
| Outdoor Recreation Equipment | ** |
| Overall Reference Equivalent | ** |
| Operator Reply Element | ** |
| Ornitologia Rondo Esperantlingva | ** |
| OLAC Repository Editor | * |
| Organisation for Rural Education | * |
| Ottawa Real Estate | * |
| Ottawa Robotics Enthusiasts | * |
| Object Referring Expression | * |
| Outer Rim Excavations | * |
| Orbit Repair Experiment | * |
| Orbiting Reentry Experiment | * |
| occupational risk exposure | * |
| Operator or Related Entity | * |
| Oriental Rug Encyclopedia | * |
| Occupational Readiness Evaluation | * |
| Office of Realty and Environment | * |
| Office of Realtyand Environment | * |
| Office of Regional | * |
| Office of Research Evaluation | * |
| Offices of Regulatory Enforcement | * |
| Oil Refinery Exercises | * |
| Online Religious Experience | * |
| Operational Retardant Evaluation | * |