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heavy oil

noun

a hydrocarbon mixture, heavier than water, distilled from coal tar

Words nearby heavy oil

heavy lifting, heavy metal, heavy middleweight, heavy mineral oil, heavy nitrogen, heavy oil, heavy oxygen, heavy particle, heavy petting, heavy spar, heavy water

Example sentences from the Web for heavy oil

The motive power on the surface was a heavy-oil engine of 250 H.-P.

Aircraft and Submarines |Willis J. Abbot.
She is propelled on the surface by (usually) heavy-oil Diesel engines.

The Story of Our Submarines |John Graham Bower