- softball court
- soil
- soil condition
- soil pollution, soil contamination
- soil stack
- solar angle
- solar building
- solar calculation, daylight calculation
- solar constant
- solar energy collector
- solar energy drying
- solar irradiance
- solar radiation absorbility factor
- solar radiation intensity
- solaria
- solarair temperature
- solid
- solid brick
- solid masonry wall
- solidborne sound
- sonic boom
- sound absorption
- sound absorption coefficient
- sound absorption construction
- sound absorption material
- sound absorption reduction
- sound amplification system,sound reinforcing system
- sound attenuation room, anechoic room
- sound bridge
- sound control room
- sound energy density
- sound energy flux
- sound field
- sound focus
- sound image
- sound insulation curtain
- sound insulation enclosure
- sound insulation factor
- sound intensity level
- sound lock
- sound power
- sound power level
- sound pressure level
- sound quality
- sound ray
- sound shadow
- sound transmission class, STC
- sound transmission coefficient
- soundproof course
- soundproof door