Meaning Of The Word Third rail

Real Dictionary
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  2. T Words Definitions
  3. Section T-170
  4. Third rail

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Third rail Meaning

Third rail Definition
Third rail Definition

What's The Definition Of Third rail?

third rail
If you refer to something as the third rail of a political situation, you mean that it would be dangerous to make changes to that thing because people feel very strongly about it.
countable noun: The third rail on a railroad track is the steel bar which passes electric current to a train.

third rail in American English
an extra rail used in some electric railways, instead of an overhead wire, for supplying power
noun: a rail laid parallel and adjacent to the running rails of an electrified railroad to provide electric current to the motors of a car or locomotive through contact shoes

third rail in British English
noun: an extra rail from which an electric train picks up current by means of a sliding collector to feed power to its motors

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