SPARK

Definition

1. verb put in motion or move to act. — synonyms: trip, actuate, trigger, activate, set_off, spark_off, trigger_off, touch_off
2. verb emit or produce sparks. — synonyms: sparkle
3. noun a momentary flash of light. — synonyms: flicker, glint
4. noun merriment expressed by a brightness or gleam or animation of countenance. — synonyms: sparkle, twinkle, light
5. noun electrical conduction through a gas in an applied electric field. — synonyms: discharge, arc, electric_arc, electric_discharge
6. noun a small but noticeable trace of some quality that might become stronger.
7. noun Scottish writer of satirical novels (born in 1918). — synonyms: Muriel_Spark, Dame_Muriel_Spark, Muriel_Sarah_Spark
8. noun a small fragment of a burning substance thrown out by burning material or by friction.