water jacket

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noun

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

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Origin of water jacket

First recorded in 1865–70

Words nearby water jacket

watering hole, watering place, watering pot, water intoxication, waterish, water jacket, waterjet, water jump, water key, water-laid, waterleaf

Other definitions for water jacket (2 of 2)

water-jacket

[ waw-ter-jak-it, wot-er- ]

/ ˈwɔ tərˌdʒæk ɪt, ˈwɒt ər- /

verb (used with object)

to surround or fit with a water jacket.

Origin of water-jacket

First recorded in 1875–80

How to use water jacket in a sentence

Fluoride first entered an American water supply through a rather inelegant technocratic scheme.
Anti-Fluoriders Are The OG Anti-Vaxxers|Michael Schulson|July 27, 2016|DAILY BEAST
When cities started adding chlorine to their water supplies, in the early 1900s, it set off public outcry.
Anti-Fluoriders Are The OG Anti-Vaxxers|Michael Schulson|July 27, 2016|DAILY BEAST
Before anti-vaxxers, there were anti-fluoriders: a group who spread fear about the anti-tooth decay agent added to drinking water.
Anti-Fluoriders Are The OG Anti-Vaxxers|Michael Schulson|July 27, 2016|DAILY BEAST
Placed in drinking water, fluoride can serve people who otherwise have poor access to dental care.
Anti-Fluoriders Are The OG Anti-Vaxxers|Michael Schulson|July 27, 2016|DAILY BEAST

In secret, before the referendum, the council went ahead and fluoridated the water anyway.
Anti-Fluoriders Are The OG Anti-Vaxxers|Michael Schulson|July 27, 2016|DAILY BEAST
Urbanity ushers in water that needs no apology, and gives a zest to the worst vintage.
Pearls of Thought|Maturin M. Ballou
The two women had no intention of bathing; they had just strolled down to the beach for a walk and to be alone and near the water.
The Awakening and Selected Short Stories|Kate Chopin
Mrs. Woodbury paints in oils and water-colors; the latter are genre scenes, and among them are several Dutch subjects.
Women in the fine arts, from the Seventh Century B.C. to the Twentieth Century A.D.|Clara Erskine Clement
But there was a breeze blowing, a choppy, stiff wind that whipped the water into froth.
The Awakening and Selected Short Stories|Kate Chopin
She threw out her arms as if swimming when she walked, beating the tall grass as one strikes out in the water.
The Awakening and Selected Short Stories|Kate Chopin

British Dictionary definitions for water jacket

water jacket

noun

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 engineCompare 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