spark spark /ˈspɑːrk/

noun

1. () Merriment expressed by a brightness, gleam or animation of countenance  ( twinkle , light , sparkle , spark )
   merriment expressed by a brightness, gleam or animation of countenance
    He had a sparkle in his eye
   he had a sparkle in his eye
    There's a perpetual twinkle in his eyes
   there's a perpetual twinkle in his eyes
   
   
2. () A momentary flash of light  ( flicker , glint , spark )
   a momentary flash of light
   
3. () Electrical conduction through a gas in an applied electric field  ( electric arc , discharge , electric discharge , arc , spark )
   electrical conduction through a gas in an applied electric field
     The lightning created a brilliant arc across the stormy sky.
   The lightning created a brilliant arc across the stormy sky.
   
   
4. A small fragment of a burning substance thrown out by burning material or by friction  ( spark )
   a small fragment of a burning substance thrown out by burning material or by friction
   
5. A small but noticeable trace of some quality that might become stronger  ( spark )
   a small but noticeable trace of some quality that might become stronger
    A spark of interest
   a spark of interest
    A spark of decency
   a spark of decency
   

verb

1. () Put in motion or move to act  ( spark off , trigger off , trip , activate , actuate , set off , spark , touch off , trigger )
   put in motion or move to act
    Trigger a reaction
   trigger a reaction
    Actuate the circuits
   actuate the circuits
   
2. () Emit or produce sparks  ( sparkle , spark )
   emit or produce sparks
    A high tension wire, brought down by a storm, can continue to spark
   A high tension wire, brought down by a storm, can continue to spark
   

 Spark

noun

1. Scottish writer of satirical novels (born in 1918)  ( Dame Muriel Spark , Muriel Sarah Spark , Muriel Spark , Spark )
   Scottish writer of satirical novels (born in 1918)