NOS

NOS may refer to:

Business

• National Occupational Standards, people are expected to achieve
• New old stock, merchandise being offered for sale which was manufactured long ago but that has never been used

Geography

• NOS, IATA code for Fascene Airport, in Nosy Be, Madagascar
• New Orleans Square, a themed "land" at Disneyland in Anaheim, California

Information technology

• Network operating system, a kind of computer software for running local area networks
• Nokia OS, operating system software for Nokia mobile telephones
• NOS (software), the primary operating system for the Control Data Corporation Cyber line of mainframe computers

Science

• Nitrous oxide, N2O, a gas commonly referred to as "nitrous" or "NOS" in vehicle racing
• Nitric oxide synthase, a class of enzymes
• National Ocean Service, part of the National Oceanic and Atmospheric Administration
• Neotropical Ornithological Society

Not Otherwise Specified

• Not Otherwise Specified, a subcategory in systems of disease/disorder classification such as ICD-9, ICD-10, DSM-IV, and many others
  • DD-NOS, depressive disorder
  • ED-NOS, eating disorder
  • MD-NOS, mood disorder
  • PD-NOS, personality disorder
  • PDD-NOS, pervasive developmental disorder
  • PTCL-NOS, peripheral T-cell Lymphoma
  • Adenocarcinoma not otherwise specified
  • Psychotic disorder not otherwise specified

Miscellaneous

• National Open School, former name for the National Institute of Open Schooling
• Nederlandse Omroep Stichting, a Dutch public broadcaster
• New Orleans Saints, an American football team
• Nine O'Clock Service, an alternative worship service in the 1980s in Sheffield, England.
• Nitrous Oxide Systems, a manufacturer of nitrous systems for high-performance automobiles
  • NOS (drink), a beverage named after Nitrous Oxide Systems
• Nos, Book of the Resurrection, a book by Miguel Serrano (original title: Nos: Libro de la Resurrección)

See also

• All pages beginning with "NOS"
• All pages with titles containing "NOS"