diesel

B2 · Upper Intermediate Countable noun

n. a car, truck, or train that has a diesel engine.

n. a vehicle powered by a diesel engine. Countable in this sense.

“He decided to buy a diesel because he drives long distances for work.”

“Many European cities are implementing bans on older diesels to improve urban air quality and reduce nitrogen dioxide emissions.”

C2 · Proficiency Uncountable noun Slang

n. a strong type of the drug cannabis.

n. a specific variety or strain of cannabis known for its pungent, fuel-like aroma.

“The shop was known for selling a specific strain of diesel.”

“The cultivar known as Sour Diesel became prominent in the underground market during the late nineties due to its distinct terpene profile.”

C2 · Proficiency Technology Technical

v. when an engine keeps running for a moment after you turn it off.

v. the action of a spark-ignition engine continuing to run after the ignition is switched off due to residual heat.

“The old car started to diesel for a few seconds after I took the key out.”

“The mechanic explained that the engine was dieseling because of carbon deposits in the combustion chamber that remained hot enough to ignite the fuel.”

B2 · Upper Intermediate Science

adj. relating to an engine that uses diesel fuel.

adj. denoting a type of internal combustion engine in which fuel ignition is caused by the elevated temperature of the air in the cylinder due to mechanical compression.

“The diesel engine is usually more efficient than a petrol one for heavy loads.”

“The ship's primary propulsion system consists of two massive diesel units capable of generating thousands of horsepower.”