Abbreviations & Acronyms Dictionary

Oahu Telecommunications System
Object Transaction Service
Occipital temporal sulcus
Occupation Therapist
Occupation Therapists
Occupational therapists
Occupational Therapy Studies
Occurrence tracking system
Ocean Thermal System
Octadecyltrichlorosilane
Off The Shelf
Off the subject
Off-The-Shelf
Office of Technical Services
Office of Technical Support
Office of Technological Sciences
Office of Technological Services
Office of Technology Services
Office of Telecommunication Services
Office of Telecommunications Services
Office of Thrift Supervision
Office of Thrift Supervisor
Office of Toxic Substances
Office of Trial Staff
Office Technology Service
Office TeleSystem
Office Traffic Summary
Officer Training School
Officers' Training School
On the scene
One Touch Support
One-time source
Online Travel System
Open Tax Solver
Open Text Summarizer
Open Training Services
Open Transport Service
Operational Technologies and Solutions
Operational Test Site
Operational Tests
Operations Technical Support
Operations Travel System
Operator Telephone System
Operator training simulator
Operator Training Simulators
Opportunity to see
Optical Technology Satellite
Optical Test Source
Optical Tracking Satellite
Optical tracking system
Optical Transmission Section
Optical Transport Section
Optical Transport System
Optical Transport Systems
Orbit Transfer System
Orbital Technology Satellite
Orbital Test Satellite
Orbital Test Station
Orbital Test System
Orbital Tracking Station
ORBITAL TRACKING SYSTEM
Orbital Transfer System
Orbital Transport System
Orbiter Transporter System
Orbiting Test Satellite
Organised Track System
Organization for Tropical Studies
Organized Track Structure
Organized Track System
Organized Track Systems
Organotin compounds
OSI Transparent Services
Otosclerosis
Outer Thermal Shield
Over-the-Shoulder
Overcurrent Trip Switch
Overhaul Test Schedule
Overseas Trade Services
Overtraining syndrome
Ovonic Threshold Switch
Own Time Switch
Oxford Text System
Oxford Traffic Strategy
Oxygen transport system