a private organization, created by an act of Congress (1863), that furthers science and advises the U.S. government on scientific and technical issues.
Abbreviation: N.A.S., NAS.
- National accounting
noun 1. another name for social accounting
- National advanced systems
company (NAS) A company, previously known as ITEL, that made IBM plug-compatible hardware and was bought by Hitachi. [Is this correct? Dates? US?] (2003-07-20)
- National agreement
noun 1. written formal agreements covering rates of pay and other terms and conditions of employment that are the result of collective bargaining at national level between one or more trade unions and employers in a sector of the economy
- National anthem
noun 1. a patriotic hymn or other song adopted by a nation for use on public or state occasions