ramjet
Americannoun
noun
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A cylindrical jet propulsion engine consisting of air intake and combustion chambers into which burning fuel is injected, forcing hot air out of the rear of the engine at high pressures to provide forward thrust.
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See Note at turbojet
Etymology
Origin of ramjet
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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.
Ahead of the meeting, GE Aerospace announced that researchers in its Niskayuna, New York, R&D center developed a preliminary design for a hypersonic ramjet External link engine using an in-house generative AI tool.
From Barron's • May 19, 2026
Reaching Mach 5 involves the use of a so-called ramjet, which is similar to a traditional jet engine but doesn’t have any moving parts.
From Los Angeles Times • Apr. 7, 2026
The missile was launched from a B-52 off the West Coast and was powered by a high-technology Aerojet Rocketdyne scramjet — a supersonic combustion ramjet used for ultra-high-speed flight.
From Washington Times • Apr. 6, 2022
HCMs use a supersonic combustion ramjet, or “scramjet,” to accelerate.
From Science Magazine • Jan. 8, 2020
The floaters may propel themselves through the planetary atmosphere with gusts of gas, like a ramjet or a rocket.
From "Cosmos" by Carl Sagan
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
