OMT

• OMT-G, configuration in object-based spatial databases
• Object-modeling technique, language for software modeling and designing
• Object model template, architecture for distributed computer simulation systems
• Open microchip technology, the technology of implanting microchips in animals for research or tracking
• Orthomode transducer, also polarisation duplexer, microwave duct component of the class of microwave circulators

• Osteopathic manipulative treatment, hands-on application of manipulative techniques on the patient by a Doctor of Osteopathic Medicine
• Ocular tremor, also ocular microtremor, type of eye tremor
• Orofacial Myofunctional Therapy, most commonly used to retrain oral rest posture, swallowing patterns, and speech

• Outright Monetary Transactions, which denotes the European Central Bank's purchases of bonds issued by Eurozone member-states
• O-methyltransferase, type of methyltransferase enzyme transferring a methyl group on a molecule

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