diesel-electric locomotive

noun

variants or less commonly diesel-electric or diesel locomotive

sometimes capitalized D

: an electric locomotive having electric generators powered by diesel engines for the production of its own electric power

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now