SSR
Initialism of Soviet Socialist Republic.
Proper noun
- Initialism of Soviet Socialist Republic.
- Initialism of Slovak Socialist Republic.
Related
Derived
Noun
- Initialism of secondary surveillance radar.
- Initialism of solid-state relay.
- Initialism of subsurface radar, a radar picket submarine.
- Initialism of special service requirement or special service request.
- Initialism of sum of squared residuals.
- Initialism of server-side rendering.
- Initialism of sustained silent reading.
- Initialism of small ships register.
- Initialism of special support and reconnaissance.