symb - tele
- symbolic language
- symmetrical
- symmetry
- symmetry axis
- synchro
- synchromesh transmission
- synchronism
- synchronization
- synchronizer
- synchronoscope
- synchronous generator
- synchronous machine
- synchronous motor
- synchronous speed
- synchronous vibrator
- synchroscope
- synchrotron
- synthese
- synthetic detergent
- synthetic diamond
- synthetic fuel
- synthetic gas
- synthetic hydraulic fluid
- synthetic lubricant
- synthetic petroleum
- synthetic resin
- synthetic rubber
- system design
- system instability
- system of absolute units
- system of equations
- system of fits and tolerances
- system of forces
- system of lighting
- system of particles
- system program
- system simulation
- systematic error
- systems engineering
- t beam
