jet engine

American  

noun

1. 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

1. a gas turbine, esp one fitted to an aircraft

---

jet engine Scientific  

1. 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

See Examples For:

jet engine

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

From Salon ● Dec. 28, 2025

It consists of a large jet engine placed on top of a tube the length of a London bus.

From BBC ● Dec. 17, 2025

Maybe other jet engine makers like GE Aerospace, Safran, Rolls-Royce, or RTX could find some new business with AI hyperscalers.

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

Overhead I hear the sound of a jet engine, and I open my eyes and look up in time to see the plane pass by high in the sky.

From "Counting by 7s" by Holly Goldberg Sloan