Definition from Wiktionary, the free dictionary
- (EU, space science) Initialism of Space Situational Awareness (a programme of ESA)
- (geometry) Initialism of side side angle (a geometric proof reason)
- (engineering) Initialism of specific surface area.
- (management) Initialism of supervisory special agent.
- (government, US) Initialism of Social Security Administration
- (travelling) Initialism of Deputado Luis Eduardo Magalhaes Airport (in Salvador Bahia, Brazil)