Definition of high-speed in English:

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high-speed

Pronunciation: /ˈhī ˈˌspēd/

adjective

1Moving, operating, or happening very quickly: high-speed travel
More example sentences
  • Main-line drivers operate high-speed trains on longer journeys and shifts include nights away from home while freight drivers are required to do more night work.
  • Amtrak has said it is losing $1 million every week the high-speed service is not operational.
  • The high-speed catamaran was not able to operate a reliable timetable.
Synonyms
fast, quick, rapid, speedy, swift, breakneck, lightning, brisk, express
informal zippy, supersonic
literary fleet
1.1(Of photographic film) needing little light or only short exposure.
Example sentences
  • So the only option that you have is to go for high-speed film.
  • At that time high-speed film didn't exist, but the cameraman, Lorne Batchelor, was really very good.
1.2(Of steel) suitable for drill bits and other tools that cut fast enough to become red-hot.
Example sentences
  • Tool materials may be high-speed steel, cast alloy, or tungsten carbide.
  • Cobalt is used in high-speed steels and increases the red hardness so that they can be used at higher operating temperatures.
  • At the low end you have blades made from high-speed steel with only around 10 to 12 teeth.

For editors and proofreaders

Syllabification: high-speed

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