smokescope - spectrum selector
- specific loss
- specific output
- specific power
- specific radioactivity
- specific resistance
- specific resistivity
- specific strength
- specific surface
- specific thrust
- specific volume
- specific weight
- specifical volume
- specification iron
- specifications
- specified criterion
- specified life
- specified load
- specimen
- specimen test
- speck
- specking
- speckle
- speckled
- speckled alder
- speckled band
- speckling
- spectacle
- spectacle-bearing plate
- spectacle-type gate
- spectral absorption factor
- spectral analysis
- spectral colour
- spectral distribution
- spectral emissivity
- spectral polarimeter
- spectral reflection factor
- spectral response
- spectral selectivity
- spectral sensitivity
- spectral series
