ramjet

noun

ram·​jet ˈram-ˌjet 

: a jet engine that consists essentially of a hollow tube without mechanical components and depends on the aircraft's speed of flight to compress the air which is supplied to a burner from which hot gases are discharged rearward

Examples of ramjet in a Sentence

Recent Examples on the Web

Once released, Ramjet-X will ignite its ramjet, accelerating to high-Mach velocity while sending back real-time telemetry throughout its one and only mission. — New Atlas, 11 Sep. 2026

Hermeus is testing Ramjet-X’s ramjet engine at its HEAT facility in Jacksonville, Florida, while high-temperature structures are in development at its headquarters in El Segundo, California. — Prabhat Ranjan Mishra, Interesting Engineering, 10 Sep. 2026

Project Pluto's design, known as a ramjet, required air to move through it very quickly and could only operate at supersonic speeds. — Geoff Brumfiel, NPR, 18 June 2026

That's the main difference between a scramjet and a ramjet, which deals with slower-moving air. — Mike Wall, Space.com, 25 Feb. 2026

Word History

First Known Use

1942, in the meaning defined above

Rhymes for ramjet

• abet
• asset
• baguette
• banquette
• barbette
• beget
• beset
• binet
• briquette
• brunet
• brunette
• burette

Kids Definition

ramjet

noun

ram·​jet ˌram-ˌjet 

: a jet engine that depends on the speed of flight for the compression of the air it takes in rather than using a mechanical compressor