Definitions For On

adjective

• In operation or operational
• (of events) planned or scheduled

adverb

• With a forward motion
• Indicates continuity or persistence or concentration
• In a state required for something to function or be effective

Acronym

• Om Namah Shivaya (meditation chant)
• Office for National Statistics (UK)
• One Night Stand
• Old North State
• Onslaught (Unreal Tournament 2004)
• Operador Nacional do Sistema Eletrico (Brazil)
• Oncology Nursing Society
• Office of Nuclear Safety
• Offshore Northern Seas
• Occipital Nerve Stimulation (migraine treatment)
• Onboard Navigation System
• Oral Nutritional Supplement
• Operational Navigation Chart
• Orchestra of New Spain (Dallas, TX)
• Optical Networking System
• Object Naming Service
• Operational Needs Statement
• Office of Nursing Services (US VA)
• OMEGA Navigation System
• Optical Networking Services (Cisco)
• Optical Network Service
• Open Network Services
• One-Name Study (genealogy)
• Office of Neighborhood Services (various locations)
• Oulu Nice Soccer (female soccer team; Oulu, Finland)
• Open Networking System
• Oriental Numismatic Society
• Odyssey Nail Systems
• Observatoire National de la Sécurité et de l'Accessibilité des Établissements d'Enseignement (French: National Observatory for Safety and Accessibility of Educational Institutions)
• Order of Nova Scotia
• On Premise Station
• Onset Constraint
• Office of NATO Standardization
• Organized Neighbors of Summerhill (Atlanta, GA)
• Liverpool to Halifax Slow (routing designation; US Navy)
• Online Needlework Shop