diesel oil

American  

[dee-zuhl oil] / ˈdi zəl ˌɔɪl /

noun

1. diesel fuel.

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diesel oil British  

noun

1. Also called (Brit): derv.  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 compression See also cetane number

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diesel oil Scientific  

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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Example Sentences

Gasoil is a crude-oil derivative, commonly known as diesel oil, used for agricultural machinery, ships and railways, making it a crucial industrial fuel.

From MarketWatch • Mar. 2, 2026

A spike in diesel oil prices could make goods and materials more expensive to deliver — risking higher inflation.

From The Wall Street Journal • Jan. 4, 2026

The steam-powered car became possible once gasoline and diesel oil replaced wood and coal for the powering of engines.

From Salon • Sep. 19, 2022

The supplies of diesel oil have done nothing to alleviate the shortages of gasoline that have further paralyzed the bankrupt economy, causing huge lines at gas stations.

From Washington Post • Sep. 23, 2021

We spent weeks at the huge Shell Haven Refinery with a special instructor who taught us all about fuel oil and diesel oil and gas oil and lubricating oil and kerosene and gasoline.

From "Boy: Tales of a Childhood" by Roald Dahl