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
dynamo-, dynamoelectric, dynamogenesis, dynamograph, dynamometer, dynamometer car, dynamometry, dynamotor, dynast, dynastid, dynasty
Origin of dynamometer car
First recorded in 1875–80
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019