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Definition of "ramjet" [ramjet]

  • A jet engine that propels aircraft by igniting fuel mixed with air taken and compressed by the engine in a fashion that produces greater exhaust than intake velocity. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "ramjet" in a sentence
  • "The ramjet is a device for using the interstellar hydrogen as a means for propulsion."
  • "In addition there are two separate and distinct improvements to something called a ramjet, another rocket part, the blueprints of an experimental aviation cannon, a new atmospheric analyzer, and the formula for some sort of steel—this last, it seems, highly experimental."
  • "These fields are maintained by a "ramjet" effect, energy picked up from interstellar gas as we mosey along."