English abbreviations from ota to otd
- OTA (overflight top attack)
- OTAC (Orthodontic Technicians Association Conference)
- OTAG (Ozone Transport Assessment Group)
- OTAI (Over-The-Air Initialization)
- OTAN (Organisation du Traité de l'Atlantique Nord)
- OTAP (Ohio Transition Assistance Program)
- OTAR (Over-The-Air Re-keying)
- OTB (Owning The Best)
- OTC (Over-the-counter)
- OTCIXS (Officer in Tactical Command Information Exchange System)
- OTD (Off the derech (referring to an Orthodox Jew who has stopped practicing the tenets of his or her faith))