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diesel fuel

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noun
  1. a combustible petroleum distillate used as fuel for diesel engines.
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Also called diesel oil.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for diesel oil

diesel oil

diesel fuel

noun
  1. a fuel obtained from petroleum distillation that is used in diesel engines. It has a relatively low ignition temperature (540°C) and is ignited by the heat of compressionAlso called (Brit): derv See also cetane number
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

diesel oil in Science

diesel oil

  1. A lightweight mixture of liquid hydrocarbons that are derived from petroleum. The hydrocarbons in diesel oil contain between 13 and 25 carbon atoms. Diesel oil is used as a fuel for diesel engines.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.