dynamometer car

noun Railroads.

a car equipped with special instruments and coupled to a locomotive to record its energy output, fuel consumption, and other data continuously during a regularly scheduled run.

Nearby words

  1. dynamo-,
  2. dynamoelectric,
  3. dynamogenesis,
  4. dynamograph,
  5. dynamometer,
  6. dynamometry,
  7. dynamotor,
  8. dynast,
  9. dynastic,
  10. dynastid

Origin of dynamometer car

First recorded in 1875–80

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019