OAS
OAS or Oas may refer to:
Chemistry
[edit]- O-Acetylserine, amino-acid involved in cysteine synthesis
Computers
[edit]- Open-Architecture-System, the main user interface of Wersi musical keyboards
- OpenAPI Specification (originally Swagger Specification), specification for machine-readable interface files for RESTful Web services
- Oracle Application Server, software platform
Medicine
[edit]- Open aortic surgery, surgical technique
- Oral allergy syndrome, food-related allergic reaction in the mouth
- 2'-5'-oligoadenylate synthase, an enzyme
Organizations
[edit]- Office of Aviation Services, agency of the United States Department of the Interior
- Ontario Archaeological Society, organization promoting archaeology within the Province of Ontario, Canada
- Organisation Armée Secrète, French dissident terrorist organisation, active during the Algerian War (1954–62), fighting against Algerian independence
- Organization of American States, continental organization of the Western Hemisphere
- Oxford Art Society, society for artists in the city of Oxford, England
Transport
[edit]- Oasis LRT station, Singapore, LRT station abbreviation OAS
Other
[edit]- Ohio Auction School, school for auctioneers in Ohio, U.S.
- Old Age Security, social security payment available to most Canadians aged 65 or older
- Option-adjusted spread, the yield-curve spread of a fixed-income security, adjusted for the cost of embedded options
- Oas, Albay, municipality in the Philippines