S1

(redirected from Supplement 1)
AcronymDefinition
S1Secondary 1 (schools; Hong Kong)
S1Supplement 1 (to a document or publication)
S1Starboard 1 (US NASA)
S1Adjutant (Army)
S1Personnel Office (USMC)
S1First Heart Sound
S1Subfragment 1 (biophysics)
S1Sleep Mode 1 (high-energy computer power-down state)