jet engine

noun

: an engine that produces motion as a result of the rearward discharge of a jet of fluid

specifically : an airplane engine that uses atmospheric oxygen to burn fuel and produces a rearward discharge of heated air and exhaust gases see airplane illustration

Examples of jet engine in a Sentence

Recent Examples on the Web

Examples of digital twins range far and wide, things like jet engines, factories, cities and even healthcare patients can all have digital twins. —Rohan Joshi, Forbes.com, 19 Sep. 2025

WindRunner’s four jet engines will aid with short takeoffs. —Andrew Moseman, IEEE Spectrum, 10 Sep. 2025

These minerals are vital for power grids, batteries, and other energy equipment, but they are also needed for AI chips, jet engines, and defense applications. —Fatih Birol, Time, 10 Sep. 2025

China agreed to approve more export permits for rare earths in return for the U.S. lifting curbs on the sale of chip design software and jet engines to China. —Nick Lichtenberg, Fortune, 8 Sep. 2025

Word History

First Known Use

1933, in the meaning defined above

Kids Definition

jet engine

noun

: an engine that produces motion as a result of the rearward discharge of a jet of fluid

especially : an aircraft engine that uses atmospheric oxygen to burn fuel and produces a rearward discharge of heated air and exhaust gases