fuel oil

noun
Updated on: 16 Jan 2018

Definition of fuel oil

: an oil that is used for fuel and that usually has a higher flash point than kerosene

Recent Examples of fuel oil from the Web

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

First Known Use of fuel oil

1893


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