electrodiesel means A locomotive that can be powered either from an electricity supply or by using the onboard diesel engine. Lexicurio rates it Sui generis — a strength score of 85 out of 100.
Etymology
From electro- + diesel.
noun
- A locomotive that can be powered either from an electricity supply or by using the onboard diesel engine.“Six of the locomotives will be of the "electro-diesel" type, which is entirely new to Britain. They will be built at Doncaster Works for the Southern Region. These electro-diesel locomotives are designed to operate as diesel-electric locomotives on non-electrified sidings and main lines, using electric power supplied by a 600-h.p. diesel engine-driven generator, or as electric locomotives when on ”