Definition of water jacket in English:

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water jacket

Pronunciation: /ˈwôdər/ Pronunciation: /ˈwädər ˈjakət/


A casing containing water surrounding and protecting something from extremes of temperature.
Example sentences
  • In addition, the water jacket provides protection from overheating of the firebox, a design feature not available in a hot-air furnace.
  • The function of a water jacket in an engine is to help maintain a better temperature distribution in the cylinder bore.
  • A single rifle bullet through the water jacket would quickly put the gun out of service, and another through virtually any body part would immediately do the same for the gunner.



Example sentences
  • The suspensions were irradiated for 6 min with visible light in a water-jacketed (25 [degrees] C) glass cuvette.
  • A water-jacketed chamber with water and perfusion pumps was used for surgery, perfusion, and ventilation of murine lungs.
  • This larger plant required the rectangular water-jacketed vessel to accommodate the root system.

For editors and proofreaders

Syllabification: wa·ter jack·et

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