Spark
WordNet
noun
(1) 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"
(2) A momentary flash of light
(3) A small fragment of a burning substance thrown out by burning material or by friction
(4) Scottish writer of satirical novels (born in 1918)
(5) Electrical conduction through a gas in an applied electric field
(6) A small but noticeable trace of some quality that might become stronger
"A spark of interest"
"A spark of decency"
verb
(7) Put in motion or move to act
"Trigger a reaction"
"Actuate the circuits"
(8) Emit or produce sparks
"A high tension wire, brought down by a storm, can continue to spark"
WiktionaryText
Noun
- A small particle of glowing matter, either molten or on fire.
- A short or small burst of electrical discharge.
- A small amount of something, such as an idea, that has the potential to become something greater, just as a spark can start a fire.
- (in plural sparks but treated as a singular) A ship's radio operator.
Verb
- To trigger, kindle into activity (an argument, etc).
- To give off a spark or sparks.
Etymology
From , verbal noun to .