(n) synchronicity
(n) synchroflash
(n) syndicate loan
(n) gerontocracy
(P)
(n) gyropilot
(n) gyro horizon
(n) Zinjanthropus (early man)
(n) swimming glove
(n) screen process
(n) screw propeller
(n) (uk) Pieris melete (species of cabbage white butterfly)
(n) (uk) sooty albatross (Phoebetria fusca)
(n) steroid hormone
(n) (comp) store controller
(n) stockbroker
(n) (comp) stroke font
(n) (comp) stroke device
(n) strontium 90 (Sr-90)
(n) strontium 90 (Sr-90)
(n) Strombolian eruption
(n) spectrometer
(n) (comp) smooth scroll
(n) sales approach
(n) giant sequoia (Sequoiadendron giganteum) (lat: Sequoiadendron)
giant redwood
(n) self-control
(n) sociobiology
(n) dirty float
(n) (comp) dialog box
(n) (comp) down-line loading
(n) (comp) channel program