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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.

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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.

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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

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Etymology

Origin of water jacket¹

First recorded in 1865–70

Origin of water-jacket²

First recorded in 1875–80

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Example Sentences

See Examples For:

water jacket water-jacket

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

Maybe the water in the water jacket froze last winter and cracked the cylinder wall and the crack didn’t let any through at first, most likely.

From Tom Slade on a Transport by Thomas Clarity

Without the water jacket and water injection for cooling the temperature it would have been 302 degrees Fah.

From Scientific American Supplement, No. 799, April 25, 1891 by Various

The Kodiopticon has a water jacket for protection of the slides from heat, and the price includes a strong wooden case, which, by reversing the top, serves as a permanent stand for the outfit.

From Kodaks and Kodak Supplies 1914 by Canadian Kodak Company

Through the windows, at a distance of four hundred yards, the pounding of the machinery which flooded the water jacket of the Relay Gun was distinctly audible in the stillness of the night.

From The Man Who Rocked the Earth by Robert Williams Wood

In other words the cylinder should be kept hot, but not burning, as previously explained in the paragraph in which the water-jacket is discussed.

From Gas-Engines and Producer-Gas Plants A Practice Treatise Setting Forth the Principles of Gas-Engines and Producer Design, the Selection and Installation of an Engine, Conditions of Perfect Operation, Producer-Gas Engines and Their Possibilities, the Care of Gas-Engines and Producer-Gas Plants, with a Chapter on Volatile Hydrocarbon and Oil Engines by R. E. Mathot

Figure 8.—Development engine No. 3, 1904-1906, showing auxiliary exhaust port, separate one-piece water-jacket block.

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

In order to obviate any danger, the stop-cocks of the water-jacket, which have already been described in a previous chapter, should be closed while the engine is idle.

From Gas-Engines and Producer-Gas Plants A Practice Treatise Setting Forth the Principles of Gas-Engines and Producer Design, the Selection and Installation of an Engine, Conditions of Perfect Operation, Producer-Gas Engines and Their Possibilities, the Care of Gas-Engines and Producer-Gas Plants, with a Chapter on Volatile Hydrocarbon and Oil Engines by R. E. Mathot

It is also desirable to fit a stop-cock SC, so that the pipes can be disconnected from the engine entirely, or the water-jacket emptied without running the whole of the water out of the tank.

From Gas and Oil Engines, Simply Explained An Elementary Instruction Book for Amateurs and Engine Attendants by Walter C. Runciman

This engine had a water-jacket, centrifugal governor, and flame ignition.

From Gas and Oil Engines, Simply Explained An Elementary Instruction Book for Amateurs and Engine Attendants by Walter C. Runciman

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