spark vs brush discharge

brush discharge vs spark

spark and brush discharge both are nouns.

spark is a verb but brush discharge is not a verb.

Word	Noun	Adjective	Verb	Adverb
spark	Yes	No	Yes	No
brush discharge	Yes	No	No	No

As nouns, brush discharge is a hyponym of spark; that is, brush discharge is a word with a more specific, narrower meaning than spark:

spark: electrical conduction through a gas in an applied electric field
brush discharge: discharge between electrodes creating visible streamers of ionized particles

Other hyponyms of spark include corona, corona discharge, corposant, electric glow, Saint Elmo's fire, Saint Elmo's light, Saint Ulmo's fire, Saint Ulmo's light, St. Elmo's fire, flashover.

spark (noun)	brush discharge (noun)
merriment expressed by a brightness or gleam or animation of countenance	discharge between electrodes creating visible streamers of ionized particles
a momentary flash of light
a small fragment of a burning substance thrown out by burning material or by friction
electrical conduction through a gas in an applied electric field
a small but noticeable trace of some quality that might become stronger

spark (verb)	brush discharge (verb)
put in motion or move to act
emit or produce sparks

Difference between spark and brush discharge

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