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reaction chamber

noun
1.
(engineering) the chamber in a rocket engine in which the reaction or combustion of fuel occurs
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Examples from the Web for reaction chamber
Historical Examples
  • The shock of that sudden release had jarred the whole atmosphere inside the reaction chamber, and the bleeder valve had let go.

    The Bramble Bush Gordon Randall Garrett
  • The big cadet hurriedly donned a lead-lined protective suit and entered the reaction chamber.

    Danger in Deep Space Carey Rockwell
  • "Go below and suit up to go into the reaction chamber," he ordered.

    Danger in Deep Space Carey Rockwell

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