How to Use ramjet in a Sentence

ramjet

noun
  • The noise from the ramjet must have been unbearable for the pilot.
    — IEEE Spectrum, 18 Feb. 2015
  • For the tests, the ramjet wasn't lit, since the goal was to study aerodynamics.
    — New Atlas, 24 Sep. 2025
  • The ramjet led to the scramjet, which was designed to go as much as 15 times the speed of sound.
    — Caroline Delbert, Popular Mechanics, 2 Dec. 2020
  • The ramjet/scramjet would then carry an aircraft to speeds over Mach 5.
    — Jay Bennett, Popular Mechanics, 12 Jan. 2018
  • That's the main difference between a scramjet and a ramjet, which deals with slower-moving air.
    — Mike Wall, Space.com, 25 Feb. 2026
  • The tests involved a missile-scale ramjet and a dual-mode ramjet designed for high-speed aircraft.
    — Sujita Sinha, Interesting Engineering, 23 Sep. 2025
  • Multiple companies are working on engines that combine a jet and ramjet, or a jet and a rocket.
    — Manasee Wagh, Popular Mechanics, 15 Apr. 2022
  • In addition to being faster, ramjets can travel three times as far on the same amount of fuel as a standard rocket motor.
    — Kyle Mizokami, Popular Mechanics, 20 Mar. 2017
  • Many hypersonic missiles rely on ramjets for sustained high-speed flight.
    — Sujita Sinha, Interesting Engineering, 15 Jan. 2026
  • Adding an air-breathing ramjet in place of a traditional, solid-fuel rocket motor can help.
    — David Axe, Forbes, 21 May 2021
  • The same core can operate as a ramjet at supersonic speeds and as a scramjet at hypersonic speeds.
    — Sujita Sinha, Interesting Engineering, 15 Jan. 2026
  • The engines on most commercial jets have turbines to push air inside, but a ramjet is basically a tapered tube.
    — Joseph Calamia, Discover Magazine, 27 May 2010
  • Powered by a ramjet, the round uses the surrounding air as fuel, reducing the need for fuel on board the shell itself.
    — Kyle Mizokami, Popular Mechanics, 17 Oct. 2018
  • Unlike conventional artillery, the new shell uses a ramjet engine to fly farther and faster.
    — Kyle Mizokami, Popular Mechanics, 12 Aug. 2022
  • The ramjet instead uses the shockwaves created by traveling at such high speeds to squeeze incoming air.
    — Kate Baggaley /, NBC News, 31 Jan. 2018
  • In order to start up, though, ramjets typically need a speed boost from something else—usually a booster rocket.
    — Sean Gallagher, Ars Technica, 22 Mar. 2018
  • Displayed with no identification, the model will be equipped with a ramjet with a solid rocket motor.
    — Prabhat Ranjan Mishra, Interesting Engineering, 15 Oct. 2025
  • Shockwaves rapidly mix fluid streams, which is a requirement for a supersonic-air ramjet.
    — Caroline Delbert, Popular Mechanics, 4 Aug. 2020
  • One area of concern is the efficiency gap for hypersonic missiles that use ramjets for propulsion.
    — New Atlas, 14 Jan. 2026
  • Traditional ramjet engines work by relying on the aircraft's speed to scoop up and compress air into the engine.
    — New Atlas, 20 Dec. 2024
  • These have descended from the idea of the turbojet, and on the family tree of jet propulsion, the turbojet and ramjet are something like cousins.
    — Caroline Delbert, Popular Mechanics, 2 Dec. 2020
  • In addition to providing speed, a ramjet also ensures that a missile doesn’t start slowing down at maximum range.
    — Kyle Mizokami, Popular Mechanics, 10 Feb. 2021
  • Missiles and artillery shells are on the cusp of a major breakthrough, thanks to research into ramjet engine technology.
    — Kyle Mizokami, Popular Mechanics, 17 Oct. 2019
  • Enlarge / Simple ramjet operation, with Mach numbers of flow shown.
    — Jennifer Ouellette, Ars Technica, 6 Jan. 2022
  • 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
  • The other method is to develop a cruise missile with an air-breathing ramjet motor that can sustain hypersonic speeds while within the atmosphere.
    — Sébastien Roblin, Popular Mechanics, 8 June 2023
  • The company confirmed that the results validated the in-flight performance of solid fuel ramjets.
    — Sujita Sinha, Interesting Engineering, 23 Sep. 2025
  • Why, for example, does the mothership appear to be some sort of sleek supersonic/hypersonic aircraft with what looks like ramjet engines?
    — Kyle Mizokami, Popular Mechanics, 8 Mar. 2018
  • Lockheed Martin contributes a high-speed tactical inlet designed for a dual-mode ramjet system.
    — Sujita Sinha, Interesting Engineering, 15 Jan. 2026
  • According to the team, the hypersonic ramjet engine’s primary design layout met all criteria for safe flight.
    — Abhishek Bhardwaj, Interesting Engineering, 20 May 2026

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'ramjet.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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