- sinusoid
- sinusoidal envelop
- sinusoidal envelope
- sinusoidal quantity
- sinusoidal vibration
- sisrepair
- sissembly
- site
- site map
- site-dependent
- situation calculus
- six
- sixteen
- sixteen bit
- sixteenth
- sixth
- sixtieth
- sixty
- size control
- size field
- sizing handle
- skeletal code
- skeletal coding
- skeleton
- sketch
- sketching board
- skew
- skew curve
- skew distribution
- skew field
- skew involution
- skew lattice
- skew quadrilateral
- skew representation
- skew span
- skew symmetry
- slackness
- slant height
- slave memory
- slave station
- sleep mode
- slew
- slice architecture
- Slide Finder
- sliding
- sliding friction
- sliding vector
- slight change
- slit region
- slope
- slow access
- slow memory
- small
- small caps
- small integer
- smart machine
- smiley
- smith
- smooth manifold
- skewness
- skid base
- skid pad
- skin depth
- skin effect
- skip
- skip blanks
- skip factor
- skip instruction
- skipping
- sky blue
- slag stone
- slash character
- slave relay
- slave store
- sleeping state
- slender group
- slide
- slide view
- slider
- smoothing circuit
- SNA node
- snap shot
- snapshot dump
- snowflake topology
- soak
- socket number
- socket services
- soft crash
- soft failure
- soft fault
- soft key
- soft return
- soft sectoring
- soft wait
- soft warily
- soft-sectored
- software adaptation
- software audit
- software control
- software designer