How to Use ramjet in a Sentence

ramjet

noun
Definition of ramjetnext
  • 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
  • At high-speed, the engine works like a ramjet, ramming increased amounts of air through the engine chamber to create much, much more thrust.
    — Kyle Mizokami, Popular Mechanics, 13 Sep. 2021
  • Here’s why: This kind of projectile uses what’s known as a ramjet engine.
    — Alex Ward, Vox, 13 Aug. 2019
  • 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
  • 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
  • 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
  • In the Saudi-Ukrainian project, the ramjet will accelerate the vehicle between Mach 4 and 6.
    — Anatoly Zak, Popular Mechanics, 14 Mar. 2018
  • 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
  • Unlike conventional artillery, the new shell uses a ramjet engine to fly farther and faster.
    — Kyle Mizokami, Popular Mechanics, 12 Aug. 2022
  • For this plane, the two engines would share the same air inlets, and the jet engines would operate up to Mach 2 or 3 before the inlets seal off the jet engine and divert air into the ramjets, which can handle faster airflow.
    — Eric Adams, WIRED, 28 June 2018
  • The ramjet instead uses the shockwaves created by traveling at such high speeds to squeeze incoming air.
    — Kate Baggaley /, NBC News, 31 Jan. 2018
  • 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
  • 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
  • Adding an air-breathing ramjet in place of a traditional, solid-fuel rocket motor can help.
    — David Axe, Forbes, 21 May 2021
  • 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
  • The idea is a decades-old theoretical variation on a scramjet, itself a variation on the ramjet, building on generations of work on high-speed flight.
    — Caroline Delbert, Popular Mechanics, 2 Dec. 2020
  • Shockwaves rapidly mix fluid streams, which is a requirement for a supersonic-air ramjet.
    — Caroline Delbert, Popular Mechanics, 4 Aug. 2020
  • Such systems use a standard jet engine for launch and landing and to build enough speed in flight to feed air into a second turbine—known as a ramjet or scramjet—which produces more power, but requires high-speed air flow in order to ignite.
    — J. George Gorant, Robb Report, 19 Aug. 2021
  • To bridge the gap, Aerojet Rocketdyne will need to both increase the maximum operational speed of the turbojet and decrease the minimum operational speed of a ramjet.
    — Jay Bennett, Popular Mechanics, 10 Oct. 2017
  • These are propelled by underwater ramjets rather than propellers and travel inside a bubble of gas to reduce friction, achieving speeds in excess of 200 mph.
    — David Hambling, Popular Mechanics, 18 Jan. 2019
  • Hermeus’s combined cycle engine can work like a regular turbofan or ramjet engine, reaching a speed of Mach 5.
    — Kyle Mizokami, Popular Mechanics, 7 Aug. 2020
  • Enlarge / Simple ramjet operation, with Mach numbers of flow shown.
    — Jennifer Ouellette, Ars Technica, 6 Jan. 2022
  • 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
  • Capable of being launched from a fighter jet or bomber, it would be powered by a supersonic combustion ramjet, or scramjet, enabling the missile to fly and maneuver at lower altitudes.
    — Robert Burns, The Christian Science Monitor, 20 May 2020
  • Its unique trick involved the ability to transition from turbojet engine to turbo-ramjet engine in flight, sucking in vast amounts of oxygen-rich air and burning it to drastically increase engine output.
    — Kyle Mizokami, Popular Mechanics, 10 Mar. 2021
  • Integrating a turbine engine and a ramjet/scramjet will come with some significant engineering hurdles to clear.
    — Jay Bennett, Popular Mechanics, 10 Oct. 2017
  • At high supersonic and low subsonic speeds, the air ingested by an engine gradually increases in temperature, and this hot air makes a ramjet engine less efficient.
    — Kyle Mizokami, Popular Mechanics, 7 Aug. 2020
  • On February 1950, while testing an experimental ramjet, the airplane received substantial damage after sliding off the runway during landing.
    — Chris Clarke, Popular Mechanics, 4 Jan. 2019
  • The Meteor missile that The Economist mentions is actually operational, while Chinese ramjet air-to-air missile development is still experiencing problems.
    — Kyle Mizokami, Popular Mechanics, 16 Feb. 2018

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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