System Function Description-ALGOL. Extension of ALGOL for synchronous systems. Sammet 1969, p.625.
SFDU standard formatted data unit
SFE supercritical fluid extraction
sferic also spheric (sfîr’ĭk, sfěr’-) A radio emission from a stroke of lightning.
noun 1. (used with a singular verb) electronic equipment for determining the position of storms by locating their accompanying atmospherics. 2. (used with a plural verb) the atmospheric discharges located by this device. 3. Also, spherics. (used with a singular verb) the study of atmospherics. 4. spherics2 (def 1). noun 1. the usual US spelling […]