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Abbreviation:
SDI
Usage: US
Strategic Defense Initiative
Encyclopedia:
SDI
Scyphozoa
scyphozoan
scyphus
scythe
Scythia
Scythian
Scythian lamb
Scythian language
SD
SDH
SDI
SDK
SDLP
SDP
SDR
Se
SE
sea
sea anchor
sea anemone
sea animal