spark1
n.
- a small fiery particle thrown off from a fire, alight in ashes, or produced by striking together two surfaces.
- a light produced by a sudden disruptive electrical discharge through the air.
▸a discharge such as this serving to ignite the explosive mixture in an internal-combustion engine.
- a small but concentrated amount or trace:
a tiny spark of anger.
▸a sense of liveliness and excitement.
v.
- emit sparks.
▸produce sparks at the point where an electric circuit is interrupted.
- ignite.
-
(usu. spark something off)
provide the stimulus for.
Phrase
- spark out
Brit. informal completely unconscious.
Derivative
Etymology
OE spærca, spearca, of unknown origin.