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  • water jacket
    water jacket
    noun
    a water-filled casing or compartment used to water-cool something, as an engine or machine gun.
  • water-jacket
    water-jacket
    verb (used with object)
    to surround or fit with a water jacket.

water jacket

1 American  

noun

  1. a water-filled casing or compartment used to water-cool something, as an engine or machine gun.


water-jacket 2 American  
[waw-ter-jak-it, wot-er-] / ˈwɔ tərˌdʒæk ɪt, ˈwɒt ər- /

verb (used with object)

  1. to surround or fit with a water jacket.


water jacket British  

noun

  1. a water-filled envelope or container surrounding a machine, engine, or part for cooling purposes, esp the casing around the cylinder block of a pump or internal-combustion engine Compare air jacket

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of water jacket1

First recorded in 1865–70

Origin of water-jacket2

First recorded in 1875–80

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It has a feeder which pushes coal in at one end and ashes out at the other, a water jacket, a small pump which circulates the heated water rapidly to radiators.

From Time Magazine Archive

The shrunk-on steel water jacket cylinder was retained, but the water connections were repositioned so that the water entered at the bottom and came out at the top of the cylinder.

From The Wright Brothers' Engines and Their Design by Hobbs, Leonard S.

Fearing that the uncooled cylinder might suffer damage from the excessive heat, he constructed a copper water jacket in two halves, drew them together around the cylinder with clamping rings and soldered the seams.

From The 1893 Duryea Automobile In the Museum of History and Technology by Berkebile, Donald H.

The Nuts are kept warm by a water jacket which surrounds the Pan, and is heated by a Gas or Oil Stove as desired, has steam whistle which attracts attention.

From The Candy Maker's Guide A Collection of Choice Recipes for Sugar Boiling by Fletcher Manufacturing Company

The water jacket of the head corresponds to the water jacket of the cylinders and large openings in both allow the unobstructed circulation of the cooling water.

From Aviation Engines Design?Construction?Operation and Repair by Pag?, Victor Wilfred

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