stan - stay
- stand
- stand-by battery
- standard
- standard ammeter
- standard cell
- standard command
- standard deviation
- standard electrode
- standard frequency
- standard fuel
- standard gap
- standard hydrogen electrode
- standard instrument
- standard meter
- standard pulse generator
- standard register
- standard wire gage
- standard-duty control station
- standard-signal generator
- standardized reactor island design
- standby
- standby battery
- standby capacity
- standby charge
- standby circuit
- standby condition
- standby cooling
- standby duration
- standby generator
- standby lighting
- standby operation
- standby power
- standby power supply
- standby redundancy
- standby redundant state
- standby service
- standby supply relay
- standby system
- standby tariff
- standby transformer
