Definition of track circuit in English:

track circuit

Line breaks: track cir|cuit

noun

  • An electric circuit made in a section of railway track as an aid to signalling, and able to be short-circuited by the presence of a train.
    More example sentences
    • Once the westbound train has progressed and the caboose is no longer occupying the detector track circuit of interlocking all intermediate signals will return to their normal status.
    • When there are track problems, it could be a number of things - such as a track circuit, a broken rail or whatever.
    • It was a broken track circuit today - something like that - I'm not so good on my railway terminology.

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day coloratura
Pronunciation: ˌkələrəˈto͝orə
noun
elaborate ornamentation of a vocal melody