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See also: soa, sóa, soá, so'a, šõa, and śõ.'a


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Proper noun[edit]


  1. Sarbanes-Oxley Act, officially titled the Public Company Accounting Reform and Investor Protection Act of 2002
  2. School of the Americas, a US Army training facility subsequently officially known as the Western Hemisphere Institute for Security Cooperation
  3. Society of Actuaries, one of the two main professional societies of actuaries in the United States
  4. Society of Ancients, an international society based in the UK


SOA (countable and uncountable, plural SOAs)

  1. state of the art
  2. (electronics) Semiconductor optical amplifier, a device that amplifies an optical signal directly.
  3. (electronics) Safe operating area, the current conditions over which a device can be expected to operate without self-damage.
  4. (psychology) Stimulus Onset Asynchrony, the time interval between the onset of a first stimulus and the onset of a second stimulus.



  1. (computing, architecture) Initialism of Search-Oriented Architecture.
  2. (computing, architecture) Initialism of Service-Oriented Architecture.
  3. (computing, networks) Start of Authority, a record that identifies the authoritative Name Server for a specific DNS database segment
  4. (transport, in Finland) Standard abbreviation for Soinlahti railway station in Finland.
  5. (transport, in Sweden) Standard abbreviation for Stordalen railway station in Sweden.