•
Shape-memory alloy, that returns to its shape when heated •
Signal magnitude area, a statistical measure of magnitude •
Stone mastic asphalt, a type of road surface •
Styrene maleic anhydride, a synthetic polymer •
Submillimeter Array, radio telescopes in Mauna Kea, Hawaii, US
Computing and electronics •
SMA* (Simplified Memory-bounded Algorithm), a shortest path algorithm •
SMA connector (SubMiniature version A), a coaxial RF connector • SMA 905 or F-SMA I, SMA 906 or F-SMA II, an
optical fiber connector • SMA or DO-214AC, a variant of the
DO-214 diode package •
Surface-mount assembly, in electronics
Medicine and biology • Standard methods agar or
plate count agar • SMA, several
medical abbreviations • SMA 12, SMA 20 and SMAC, previous names of
Comprehensive metabolic panel blood tests • α-SMA or
ACTA2, an actin protein •
Spinal muscular atrophy, a severe neuromuscular disorder •
Spinal muscular atrophies, a heterogeneous group of rare disorders •
Superior mesenteric artery •
Supplementary motor area, of the primate brain
Mathematics •
Simple moving average, in statistics ==Music==