Octagon (AD)
Octal (AD)
Octane (AD)
Octave (AD)
Octavo (AD)
Octet (AD)
Octobre - October - French (ASC)
Octans - Constellation (WDAA)
Octanus - Constellation
Octavius (AD)
October (AD)
Cincinnati Technical College, Cincinnati, OH - Library symbol - Library of Congress - OCLC symbol (LCLS)
Object Classification Test (DMAA)
Object Code Translator (SAUS)
Objectile
Oceana Cats Inc., Grosse Ile, MI - Manufacturer code for watercraft hull identification number (USCG)
O-Chlorotoluene (SAUS)
Octagon (AAG)
Octahedral - Molecular geometry (IAA)
Octal - Number system with a base of eight - Computer science (CET)
Octane (AAG)
Octanol - Organic chemistry
Octarius - Pint - Pharmacy
Octave (ADA)
Octavo - Book from 20 to 25 centimeters in height - Bibliography
Octet (GOBB)
October (EY)
Octoraro Railway - Federal Railroad Administration identification code
Octuple (MSA)
Office, Chief of Transportation - Army
Office of Converging Technologies - Research center (RCD)
Office of Critical Tables - NAS-NRC
Office of the Chief of Transportation (SAUS)
Officer Candidate Test - Army
Officer Classification Test
Operational Climatic Testing (MCD)
Operational Cycle Time
Operations Control Team - Deep Space Network, NASA
Operator Control Table (SAUS)
Optical Coherence Tomography - Medicine
Optical Contract Seeker (MCD)
Optimal Control Theory
Optimal Cutting Temperature - Material for tissue fixation
Optimized Compensation Transactions (SAUS)
Oral Contraceptive Therapy - Endocrinology (AAMN)
Orbital Circularization Technique
Order Confirmation Transaction (EXCG)
Organisation Communiste des Travailleurs - Communist Organization of Workers - France - Political party (PPW)
Ornithin-Carbonyl-Transferase (SAUS)
Ornithine Carbamoyltransferase - Also, OTC - An enzyme
Ortho-Chlorotoluene - Organic chemistry
Orthotopic Cardiac Transplantation - Medicine (DMAA)
Output Clock Trigger (IAA)
Overseas Container Transportation (SAUS)
Overseas Countries and Territories - Common Market
Oxford Classical Texts - A publication (OCD)
Oxytocin Challenge Test - Medicine
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