| SPAR | put in motion or move to act |
|---|---|
| SPAR | emit or produce sparks |
| SPAR | Scottish writer of satirical novels (born in 1918) |
| SPAR | the timing of ignition relative to the position of the piston in an internal-combustion engine |
| SPAR | a wire net to stop sparks from an open fireplace or smokestack |
| SPAR | electrical device to reduce sparking when electrical contacts are opened or closed |
| SPAR | measuring instrument that detects ionizing radiation from elementary particles |
| SPAR | an induction coil used to create sparks |
| SPAR | measuring instrument that detects ionizing radiation from elementary particles |
| SPAR | the gap between two high-potential terminals |
| SPAR | a component of an ignition system |
| SPAR | (on early automobiles) a lever mounted on the steering column and used to adjust the timing of the ignition |