lightning conductor definition, lightning conductor meaning | English dictionary

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lightning conductor

  
, rod  
      n   a metal strip terminating in a series of sharp points, attached to the highest part of a building, etc., to discharge the electric field before it can reach a dangerous level and cause a lightning strike  
English Collins Dictionary - English Definition & Thesaurus  
Collins
lightning  
      n  
1    a flash of light in the sky, occurring during a thunderstorm and caused by a discharge of electricity, either between clouds or between a cloud and the earth  
   Related adjs       fulgurous       fulminous  
2    modifier   fast and sudden  
a lightning raid     
     (C14: variant of lightening)  


ball lightning  
      n     (Meteorol)   a luminous ball occasionally seen during electrical storms  
chain lightning  
      n      another name for       forked lightning  
forked lightning  
      n   a zigzag form of lightning,   (Also called)    chain lightning  
heat lightning  
      n   flashes of light seen near the horizon, esp. on hot evenings: reflections of more distant lightning  
lightning arrester  
      n   a device that protects electrical equipment, such as an aerial, from an excessive voltage resulting from a lightning discharge or other accidental electric surge, by discharging it to earth  
lightning bug  
      n     (U.S. and Canadian)      another name for the       firefly  
lightning chess  
      n   rapid chess in which either each move has a fixed time allowed (usually 10 seconds) or each player is allotted a fixed time (often 5 minutes) for all his moves,   (U.S. name)    rapid transit chess  
lightning conductor   , rod  
      n   a metal strip terminating in a series of sharp points, attached to the highest part of a building, etc., to discharge the electric field before it can reach a dangerous level and cause a lightning strike  
sheet lightning  
      n   lightning that appears as a broad sheet, caused by the reflection of more distant lightning  

English Collins Dictionary - English Definition & Thesaurus  

Collaborative Dictionary     English Definition
n.
Something or someone that becomes the focus of others' criticism or blame
[US];[Fig.]
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