SSR
Full definition of SSR
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SSR
(plural SSRs)- (historical) Soviet Socialist Republic
- (US, military, nautical, obsolete) Sub Surface Radar — a radar picket submarine
- (aviation, travel industry) Special Service Requirement (or Request).
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- Silent Sustained Reading
- Seven Star Reaf
- (nautical) Small Ships Register
- (military) Special Support and Reconnaissance
Derived terms
- (military) SSRN