Synonyms

jet engine

American

noun

an engine, as an aircraft engine, that produces forward motion by the rearward exhaust of a jet of fluid or heated air and gases.

jet engine British

noun

a gas turbine, esp one fitted to an aircraft

"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

jet engine Scientific

An engine, generally a gas turbine, that develops thrust from a jet of hot gases produced by burning fuel in a combustion chamber.

Etymology

Origin of jet engine

First recorded in 1940–45

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

About 90 minutes later the jet engine was fired up.

From BBC • May 11, 2026

If a data center wants to roar like a jet engine all night, that’s the deal.

From Salon • Dec. 28, 2025

The “Superpower Turbine” uses the same technology as Boom’s supersonic jet engine, providing gigawatts of capacity for AI data centers.

From Barron's • Dec. 11, 2025

These toxic chemicals are present in today’s modern synthetic jet engine oils and are passing into the aircraft cabin/cockpit unfiltered, affecting the air that crew and passengers breathe in.

From The Wall Street Journal • Sep. 14, 2025

With a jet engine there is no torque, so your feet are not nearly as busy and you can concentrate on other things.

From "Flying to the Moon: An Astronaut's Story" by Michael Collins

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023