Spark - Definition

n 1: a momentary flash of light [syn: flicker, spark,
glint]
2: merriment expressed by a brightness or gleam or animation of
countenance; "he had a sparkle in his eye"; "there's a
perpetual twinkle in his eyes" [syn: sparkle, twinkle,
spark, light]
3: electrical conduction through a gas in an applied electric
field [syn: discharge, spark, arc, electric arc,
electric discharge]
4: a small but noticeable trace of some quality that might
become stronger; "a spark of interest"; "a spark of decency"
5: Scottish writer of satirical novels (born in 1918) [syn:
Spark, Muriel Spark, Dame Muriel Spark, Muriel Sarah
Spark]
6: a small fragment of a burning substance thrown out by burning
material or by friction
v 1: put in motion or move to act; "trigger a reaction";
"actuate the circuits" [syn: trip, actuate, trigger,
activate, set off, spark off, spark, trigger off,
touch off]
2: emit or produce sparks; "A high tension wire, brought down by
a storm, can continue to spark" [syn: spark, sparkle]