die·​sel | \ ˈdē-zəl How to pronounce diesel (audio) , -səl \

Definition of diesel

 (Entry 1 of 2)

2 : a vehicle driven by a diesel engine


biographical name
Die·​sel | \ ˈdē-zəl How to pronounce Diesel (audio) , -səl \

Definition of Diesel (Entry 2 of 2)

Rudolf 1858–1913 German mechanical engineer

Examples of diesel in a Sentence

Noun Does your car take diesel or gasoline?
Recent Examples on the Web: Noun Chispa has campaigned for schools to eliminate diesel buses and switch to electric vehicles. Zayna Syed, The Arizona Republic, 23 Dec. 2021 The new buses, replacing four aging 2007 diesel buses, could go into service as early as May of next year, Wright said. Carole Carlson, chicagotribune.com, 26 Nov. 2021 For several years, the Miami-Dade County Public Schools had toyed with replacing some of its 1,000 diesel buses with cleaner electric vehicles. Michael Casey, The Christian Science Monitor, 22 Oct. 2021 The CTtransit service operates 700 diesel buses that serve Hartford, New Haven, Stamford and Waterbury, among other cities in the state. New York Times, 24 Sep. 2021 In Maryland, Montgomery County Public Schools announced a contract earlier this year to replace all of its diesel buses with electric ones, starting with 326 buses over four years. Arianna Skibell, Scientific American, 30 July 2021 The switching costs of retiring those big yellow diesel buses and purchasing clean buses and vans is the big barrier but performance bonds could help with easy to predict cost savings. Tom Vander Ark, Forbes, 7 June 2021 Replacing diesel buses with electric ones also reduces greenhouse gas emissions — a long-term goal for the state. Emma Nelson, Star Tribune, 11 Apr. 2021 Maryland's Montgomery County Public Schools announced a contract to replace its diesel buses with electric ones, starting with 326 electric buses over the next four years. Leighton Schneider, ABC News, 7 Mar. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'diesel.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of diesel


1894, in the meaning defined at sense 1

History and Etymology for diesel


Rudolf Diesel

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Dictionary Entries Near diesel

dies comitialis



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Statistics for diesel

Last Updated

12 Jan 2022

Cite this Entry

“Diesel.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diesel. Accessed 21 Jan. 2022.

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More Definitions for diesel



English Language Learners Definition of diesel

: a vehicle (such as a truck or bus) that has a diesel engine


die·​sel | \ ˈdē-zəl How to pronounce diesel (audio) , -səl \

Kids Definition of diesel

2 : a vehicle that has a diesel engine

More from Merriam-Webster on diesel

Nglish: Translation of diesel for Spanish Speakers

Britannica.com: Encyclopedia article about diesel


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