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Dictionary definition for: Spark

1. (n) a momentary flash of light

2. (v) put in motion or move to act; "trigger a reaction" "actuate the circuits"

3. (n) brightness and animation of countenance; "he had a sparkle in his eye"

4. (v) emit or produce sparks; "A high tension wire, brought down by a storm, can continue to spark"

5. (n) electrical conduction through a gas in an applied electric field

6. (n) a small but noticeable trace of some quality that might become stronger; "a spark of interest" "a spark of decency"

7. (n) Scottish writer of satirical novels (born in 1918)

8. (n) a small fragment of a burning substance thrown out by burning material or by friction

WordNet 2.1 Copyright Princeton University. All rights reserved.