SSN
1.
Social Security number.
abbreviation
1.
severely subnormal; used of a person of very limited intelligence who needs special schooling
SSN
1.
Social Security number
2.
Space Surveillance Network
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- Ssnr
SSNR Society for the Study of Neuronal Regulation
- Sso
single sign-on SSO Society of Surgical Oncology
- Ssp
abbreviation (in Britain) 1. statutory sick pay SSP shameless self-promotion
- Sspa
SSPA solid-state power amplifier
- SSPE
1. subacute sclerosing panencephalitis. SSPE subacute sclerosing panencephalitis