(n) synchrotron radiation
(n) syndicate loan
(n) roller coaster (wasei: jet coaster)
(P)
(n) jet stream
(n) Jet Propulsion Laboratory
JPL
(n) gerontocracy
(P)
(n) giant kelp (Macrocystis pyrifera)
(n) giant panda (Ailuropoda melanoleuca)
(n) gyropilot
(n) just-in-time (inventory strategy)
JIT
(n) (comp) Just Window
(n) jumper (skirt)
(n) jumbo-jet
(n) (comp) job object
(n) Zinjanthropus (early man)
(n) (comp) super script
(n) supermarket
(P)
(n) (comp) switch matrix
switching matrix
(n) suet pudding
(n) screenshot
(n) (comp) screen fonts
(n) (comp) scripting engine
(n) (comp) script command
(n) (comp) script file
(n) script header
(n) (comp) star network
(n) (comp) stack segment
(n) standard test
(n) state amateur
(n) (comp) statement number