What does NO stand for?

Air North - ICAO designator (AD)

Lifts Not Operating - Skiing

Nachalnik Otdelenia - Chief of Department - Soviet military rank

Narcotics Officer

National Office

National Office, Office of Federal Contract Compliance Programs (AAGC)

National Outlook: an Australian Christian Monthly - A publication (APTA)

Native Officer - British military (DMA)

Natural Orbital - Physical chemistry

Natural Order - Botany

Naval Observatory - Navy

Naval Officer

Navigation Officer

Negative - British naval signaling

Neuromyelitis Optica (SAUS)

Neutral Officer (SAUS)

Neutral Oil

New Options (EA)

New Order - Defunct (EA)

New Orleans - Louisiana

New Orleans, La - Telegraphy (PCTE)

New Orleans Saints - National Football League - 1967-present (NFLA)

Night Observation (SAUS)

Nitric Oxide

Nitrogen Dioxide (SAUS)

Nitrogen Monoxide

Nitrogen Oxide - Emission control - Automotive engineering

Noah (ABBR)

Nonobese - Medicine (DMAA)

Nonofficial

Nonoriginal

No Operational (SAUS)

No Palpable Nodes - Oncology

Nord-Ouest - Northwest - French

Normally Open - Switch

Normal Operation (SAUS)

North

North Central Airlines, Inc.

Northern (ABBR)

Norway - ANSI two-letter standard code (CNC)

Norway - GeoNet country code (GEON)

Nose - Horse racing

Notes - Online database field identifier

Not for Off - Kennedy Space Center Distribution (NAKS)

Not Operational (SAUS)

Not Or - Logical operator - Computer science

Not Our Publication

Not Ours (SAUS)

November (ADA)

Nuestra Orden - Our Order - Spanish - Business term

Nuffield Observatory (SAUS)

Number (EY)

Numero - In Number - Pharmacy (ROG)

Nurse's Office (DMAA)

Nursing Officer - British

Oneida Library (SAUS)

Oneida Library, Oneida, NY - Library symbol - Library of Congress (LCLS)

Papua New Guinea - NCIC country-territory code (NCIC)

Stickstoffmonoxid (SAUS)

North (SHCU)

Norway - MARC country of publication code - Library of Congress (LCCP)

Number (WDMC)

Nobelium - Chemical element

Nocturia - Urology (DAVI)

Norway (MILB)

Norwegian - Linguistics (IEL)

Number (EBF)