Scientific & Educational Abbreviations and Acronyms
- NARANational Archive and Records Administration
- NARASNational Academy of Recording Arts and Sciences
- NASCNational Access and Scaffolding Confederation
- NASMHPDNational Association of State Mental Health Program Directors
- NASSPNational Association of Secondary School Principals
- NASSPNational Astrophysics and Space Science Programme
- NATANational Air Transportation Assoc.
- NCSLNational Conference of Standards Laboratories
- NCTENational Council of Teachers of English
- NCWMNon-Cell Wall Material
- NESTANational Endowment for Science, Technology and The Arts
- PAPAPrepare to Abandon Platform Alarm
- PARCParallel Computing
- PARCPacific Asian Regional Campaign
- PASAPublications of the Astronomical Society of Australia
- PASApara-aminosalicylic acid
- PASAPan-Arab Space Agency
- PASAPolyAmide, Semi-Aromatic
- PASAPolyAmide, Semi- Aromatic (Nylon)
- PASSPassage
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