Definition of "SSS"

(Philippines) Social Security System  examples

(US) Selective Service System  examples

(astronomy) Initialism of super soft source.  examples

(medicine) Initialism of sick sinus syndrome.  examples

(medicine) Initialism of subclavian steal syndrome.  examples

(slang) Initialism of shit, shower, shave.

(computer graphics, art) Initialism of subsurface scattering.  examples