spark

A spark is a small, glowing particle that's either thrown off of a fire or that starts a fire. Your dad might tell everyone to stand back from the bonfire so they don't get burned by a spark.

Sparks are burning fragments that pop up off a fire, but they're also bright flashes, like the sparks of light reflecting off your sunglasses or electrical sparks given off by an engine. Some small thing that promises to grow larger is yet another kind of spark — you might notice a spark of anger within yourself when you see someone being treated unfairly, for example. The word spark comes from the Old English root spearca, "glowing or fiery particle thrown off."

Definitions of spark
  1. noun
    a small fragment of a burning substance thrown out by burning material or by friction
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    type of:
    fragment
    a piece broken off or cut off of something else
  2. noun
    a momentary flash of light
    synonyms: flicker, glint
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    type of:
    flash
    a sudden intense burst of radiant energy
  3. noun
    a small but noticeable trace of some quality that might become stronger
    “a spark of interest”
    “a spark of decency”
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    type of:
    hint, suggestion, trace
    a just detectable amount
  4. noun
    merriment expressed by a brightness or gleam or animation of countenance
    synonyms: light, sparkle, twinkle
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    type of:
    verve, vitality
    an energetic style
    aspect, expression, face, facial expression, look
    the feelings expressed on a person's face
  5. noun
    electrical conduction through a gas in an applied electric field
    synonyms: arc, discharge, electric arc, electric discharge
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    types:
    brush discharge
    discharge between electrodes creating visible streamers of ionized particles
    Saint Elmo's fire, Saint Elmo's light, Saint Ulmo's fire, Saint Ulmo's light, St. Elmo's fire, corona, corona discharge, corposant, electric glow
    an electrical discharge accompanied by ionization of surrounding atmosphere
    flashover
    an unintended electric discharge (as over or around an insulator)
    type of:
    electrical conduction
    the passage of electricity through a conductor
  6. verb
    emit or produce sparks
    “A high tension wire, brought down by a storm, can continue to spark
    synonyms: sparkle
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    type of:
    emit, give off, give out
    give off, send forth, or discharge; as of light, heat, or radiation, vapor, etc.
  7. verb
    put in motion or move to act
    synonyms: activate, actuate, set off, spark off, touch off, trigger, trigger off, trip
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    type of:
    initiate, pioneer
    take the lead or initiative in; participate in the development of
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