See also: sds English Proper noun SDS (UK, historical) Initialism of Special Demonstration Squad. (US, historical) Initialism of Students for a Democratic Society. Noun SDS (countable and uncountable, plural SDSs) (organic chemistry) Initialism of sodium dodecyl sulfate. Initialism of safety data sheet. Initialism of sudden death syndrome. Anagrams DSS, DSs, SSDWikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads