Technical Glossary (s index)
- Safelight
- Safety film
- Saturation
- Scatter
- Scene
- Scission
- Scouring
- Scratches
- Screen
- SDDS
- SEAPAVAA
- SECAM
- Secondary colours
- Seepage
- Segment
- Sensitivity
- Sensitometer
- Sensitometry
- Sensurround
- Separation
- Shedding
- Shellac disc
- Short end
- Shot
- Shrinkage
- Shrinkage gauge
- Shutter
- Shuttle
- Sibilants
- Signal
- Signal-to-noise-ratio
- Silver
- Silver halides
- Silver salts
- Slitting
- SMPTE
- Soft
- Solachrome
- Solvent
- Sound
- Sound bloops and projection prints
- Sound defects on film tracks
- Sound dubbing
- Sound duping negative
- Sound duping positive
- Sound master negative
- Sound print
- Soundtrack
- Soundtracks on film
- Sparkle
- Specific gravity
- Spectrum
- Speed
- Splicers
- Splices
- Split spool
- Spoking
- Spontaneous ignition
- Spool
- Sprocket
- Sprocket holes
- Squealing
- Start marks
- Static mark
- Steenbeck
- Stencil
- Step printer
- Step printing
- Step wedge
- Stereo
- Stereo sound
- Stick slip
- Sticky shed
- Sticky tape
- Stiction
- Stock date
- Stop
- Storage of cellulose acetate
- Storage of cellulose nitrate
- Storage of colour film
- Storage of equipment
- Storage of magnetic materials
- Storage of paper materials
- Straight line portion
- Stress
- Stretch frame
- Stripe
- Striped tape
- Substrate
- Subtractive (colour) process
- Subwoofer
- Surround sound
- Sync mark
- Sync pip
- Synch marks
- Synchronisation
- Synchroniser
