Diesel-electric and Diesel locomotive

Diesel-electric noun - A locomotive driven by the electric current generated by a diesel engine.

Diesel locomotive and diesel-electric are semantically related. In some cases you can use "Diesel locomotive" instead a noun phrase "Diesel-electric".

Diesel locomotive noun - A locomotive driven by a diesel engine.

Diesel-electric and diesel locomotive are semantically related. Sometimes you can replace phrase "Diesel-electric" with "Diesel locomotive", this phrases are similar.