sort by Rank | Alpha
| Possible Meanings | Rank |
| Odyssey Access Client | **** |
| Officer Advance Course | **** |
| oxford athletic club | **** |
| Outdoor Activity Center | **** |
| Or at Another College | **** |
| Oversight and Accountability Commission | **** |
| Office Administration Certificate | **** |
| Office Advisory Council | **** |
| Optical Active Cable | **** |
| Oakland Airport Connector | **** |
| Olympic Aquatic Center | **** |
| Orange Art Center | **** |
| Open Award Centre | **** |
| Our Annual College | **** |
| Onlinedocs Andersonpublishing Com | **** |
| Orthodox Academy of Crete | **** |
| Oregon Agricultural College | **** |
| Open Access Computing | **** |
| Outdoor Advertising Control | **** |
| Office Advisory Committee | **** |
| Ontario Academic Courses | **** |
| Office of Academic Computing | **** |
| Ottawa Area Chamber | **** |
| Orientation Aware Control | **** |
| Ohio Athletic Commission | **** |
| Oakland Athletic Club | *** |
| Office of Administrative Courts | *** |
| Oakville Assembly Complex | *** |
| Observatory of Capodimonte | *** |
| Open Architecture CNC | *** |
| Outdoor Activity Club | *** |
| Organizational Analysis and Change | *** |
| Oregon Advocacy Center | *** |
| Ohio Archaeological Council | *** |
| Outdoor Adventures Club | *** |
| Outreach Advisory Council | *** |
| Oklahoma Arts Council | *** |
| Osmotically Activated Channel | *** |
| Office Automation Consultants | *** |
| Orthodox Anglican Communion | *** |
| Operations Advisory Council | *** |
| Office of AIDS Coordination | *** |
| Open Access Commons | *** |
| Output Area Classification | *** |
| Otaku Anime Club | *** |
| Online Access Centres | *** |
| Onliner Auto Club | *** |
| Oversight and Advisory Committee | *** |
| Omeprazole Amoxicillin Clarithromycin | *** |
| Olmstead Advisory Committee | *** |
| Open Access Coalition | *** |
| Overseas Automotive Council | *** |
| Officer an Active | *** |
| Oral AIDS Center | *** |
| Of the Anam Cara | *** |
| Oxford Actuaries and Consultants | *** |
| Operating Authority Certificate | *** |
| Olympic Academy of Canada | *** |
| Office Automation Coordinator | *** |
| Ontario Autism Coalition | *** |
| Outdoor Advertising Convention | *** |
| OWASP Autumn of Code | *** |
| Overseas Assurance Corporation | *** |
| Oakland Astronomy Club | *** |
| Outdoor Adventure Center | *** |
| Offshore Aquaculture Consortium | *** |
| Obedience Advisory Committee | *** |
| Office of Administrative Computing | *** |
| Outdoor Adventure Camp | *** |
| Opportunity Awareness Center | *** |
| Obesity Action Coalition | *** |
| Oregon Alpine Club | *** |
| office automation certificate | *** |
| Operational Advisory Committee | *** |
| Office Automation Conference | *** |
| Oversight Advisory Committee | *** |
| Oyster Advisory Commission | *** |
| Of the Ohio Archaeological Council | *** |
| Optical Analysis Corporation | *** |
| Office of Ambulatory Care | *** |
| Olympic Advisory Committee | *** |
| Oneiromantic Ambiguity Collective | *** |
| Observatory on Central | *** |
| Opera Academy of California | *** |
| Otter Aquatic Club | *** |
| Organic Agriculture Consortium | *** |
| Office of Asbestos Compensation | *** |
| Oman Accreditation Council | *** |
| Orlando Adventure Club | *** |
| Organizational Affairs Council | *** |
| One Address Computer | *** |
| Oceania Archery Confederation | *** |
| Open Art Critique | *** |
| Organization of Advertising Creation | *** |
| Osservatorio Astronomico di Cagliari | *** |
| Online Archives of California | ** |
| Opticians Association of Canada | ** |
| Operations Advisory Circular | ** |
| Output Audio Codec | ** |
| of airway closure | ** |
| oil absorption capacity | ** |
| omeprazole + amoxycillin + clarithromycin | ** |
| omeprazole, anoxicillin, clarithromycin | ** |
| omeprazole-amoxycillin-clarithromycin | ** |
| Open Access Client | ** |
| ophthalmic artery collateral | ** |
| Oral activated charcoal | ** |
| oro-antral communications | ** |
| ovine articular chondrocytes | ** |
| Officers Advanced Course | ** |
| Ohio AIDS Coalition | ** |
| Orbital Activation and Checkout | ** |
| Open Architecture Controller | ** |
| Ontario Appeal Cases | ** |
| Oakhanger Angling Club | ** |
| Observation Analysis and Control | ** |
| Outreach Advisory Committee | ** |
| Ohio Academic Competition | ** |
| Outdoor Adventure Club | ** |
| Oversea Assurance Corporation | ** |
| Overseas Advisory Committee | ** |
| Obstetric Anaesthesia Assessment Clinic | ** |
| occipital lobe alcohol concentration | ** |
| omeprazole, amoxicillin, and clarithromycin | ** |
| orally administered activated charcoal | ** |
| other ambulatory care providers | ** |
| Ovine adrenal fasciculata cells | ** |
| Operator Advisory Committee | ** |
| Option Adjusted Convexity | ** |
| Outdoor Adventures Center | ** |
| Oyster Advisory Committee | ** |
| Okuma America Corporation | ** |
| Olympic Athletic Conference | ** |
| Oakdale Angling Club | ** |
| amoxicillin and clarithromycin | ** |
| Owners Advisory Council | ** |
| Open Accessibility Checks | ** |
| Order of Approval to Construct | ** |
| Operational Analysis and Control | ** |
| Office of Athletic Compliance | ** |
| Orienteering Association of China | ** |
| Ottawa Area Council | ** |
| Okotoks Alliance Church | ** |
| Ontario Access Coalition | ** |
| Our Aging Communities | ** |
| Oral Anticoagulation Clinic | ** |
| Online Assessment Community | ** |
| Operations Analysis Center | ** |
| Officials Antarctic Committee | ** |
| Ombudsperson Advisory Committee | ** |
| Out of Area Calgary | ** |
| Oro Argento Cristallo | ** |
| Outreach and Church | ** |
| Odor Advisory Committee | ** |
| Ohio Audiology Conference | ** |
| Online Academic Catalog | ** |
| Officers of Administration Council | ** |
| Osservatorio Astronomico Comunale | ** |
| Office of Accountability Compliance | ** |
| Office of Aeronautics | ** |
| Onondaga Athletic Club | ** |
| Open Architecture Computer | ** |
| Open Archive Cataloger | ** |
| Ottawa Area Center | ** |
| Oregon Africa Council | ** |
| Ohio Association of Chiefs | ** |
| Olympic Aquatic Club | ** |
| Online Archive of Califonia | ** |
| Online Auction Community | ** |
| Ordinary Annual Contributions | ** |
| Overseas Alumni Club | ** |
| Oakville Arts Council | * |
| Operations Advisory Committee | * |
| Ottauquechee Athletic Club | * |
| Outdoor Activities Club | * |
| Office of Aeronautical Charting | * |
| Open Access Collage | * |
| Organic Agricultural Consortium | * |
| Observer Advisory Committee | * |
| Occupational Advisory Committees | * |
| Office of the Army Comptroller | * |
| Officer Advanced Courses | * |
| Open Administration Catalunya | * |
| Operations Agenda Committee | * |
| Operations and Administration Committee | * |
| Odessa Aquatics Club | * |
| Ohio Administration Code | * |
| Ohio Autism Coalition | * |
| Open Access Communications | * |
| Optical Absorption Coefficient | * |
| Oracle Accessibility Checker | * |
| Organizational Adjudication Committee | * |
| Overseas Administration Centre | * |
| Office of Agenda Coordination | * |
| Olivia Alarm Clock | * |
| Olympia Advisory Council | * |
| Opticians Association of Colorado | * |
| Ottawa Atletic Club | * |
| Outlook Analysis Corporation | * |
| Oxygen Arc Cutting | * |
| Ordnance Ammunition Command | * |
| Osterreichischer Automobil Club | * |
| ORDA Advisory Committee | * |
| Original Acquisition Cost | * |
| One Additional Copy | * |
| Oceanic and Atmospheric Circulation | * |
| Oklahoma Annotated Code | * |
| Older American Council | * |
| Oberlin Academic Calendars | * |
| Office Automation Consultant | * |
| Office of Agricultural Communica | * |
| Office of Agricultural Communications | * |
| Office of Atmospheric Chemistry | * |
| Office of the Assistant Commissioner | * |
| Official Advisory Committee | * |
| Official Arizona Chapter | * |
| Ohio Aggregates Company | * |
| Oifig An Choimisineara | * |
| Old American Company | * |
| Oliver Allen Corporation | * |
| Oorala Aboriginal Centre | * |
| Organizational Awards Committee | * |
| Organized Auto Competitions | * |
| Organizing Against Contract | * |
| Osservatorio Astronomico Collura | * |
| Over Antique Comics | * |
| Owners And Controllers | * |