jacket


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jacket

Engineering
1. any exterior covering or casing, such as the insulating cover of a boiler
2. the part of the cylinder block of an internal-combustion engine that encloses the coolant

Jacket

 

a covering, usually removable, of a book or booklet in the form of a sheet with flaps. It is generally made of heavy paper coated for purposes of reinforcement or covered with a transparent synthetic film that also improves the jacket’s appearance. Jackets are sometimes made from polymer films. Originally, jackets were used to protect the bindings of expensive editions from damage; they were later used for purposes of publicity as well. The jacket sometimes serves a purely aesthetic purpose.

jacket

[′jak·ət]
(mechanical engineering)
The space around an engine cylinder through which a cooling liquid circulates.
(nucleonics)
A thin container for one or more fuel slugs, used to prevent the fuel from escaping into the coolant of a reactor. Also known as can; cartridge.
(ordnance)
Cylinder of steel covering and strengthening the breech end of a gun or howitzer tube.
The water jacket on some machine guns.
(petroleum engineering)
The support structure of a steel offshore production platform; it is fixed to the seabed by piling, and the superstructure is mounted on it.

jacket

jacket, 1
1. A metal or cloth covering over the heat insulation which is applied to exposed heating pipes and ducts.
2. An outer casing around a pipe or vessel, the space between being filled with a fluid for cooling, heating, or maintaining a fixed temperature.

jacket

jacket
A metal shroud used to insulate a portion of the hot section of a gas turbine engine. A jacket prevents heat damage to the aircraft structure.

jacket

A plastic housing that contains a floppy disk. The 5.25" disk is built into a flexible jacket; the 3.5" disk uses a rigid jacket.
References in periodicals archive ?
The water jacket can be made from a variety of materials, including steel and iron, and is suited for small and thin-wall casting jobs as well as operations with frequent mold changes.
BLUE JEAN BABY: Let a denim jacket take you from the Bee Gees to the Backstreet Boys.
Price: 100 [pounds sterling] for a pair of overtrousers through to 170 [pounds sterling] for the most expensive jacket
Meanwhile, Mena Massoud, who plays the title role in the Disney remake, wore a black-and-blue custom bomber jacket from Libiran on the talk show 'Ellen' on Tuesday.
LONGLINE BLAZERS THE tailoring trend shows no sign of slowing down, but if a two-piece suit isn't your bag, try a longline jacket instead.
Sosandar yellow leather biker jacket PS249; light wash denim cropped leg jeans PS55 White Stuff Dallington star quilted jacket, currently reduced to PS45 from PS75; Shoreline jersey T-shirt PS35 Cotton Traders red coral embroidered quilted jacket PS45; women's stretch jeans PS28 Bonmarche red suedette biker jacket PS40 Matalan mustard suedette biker jacket PS30
Matalan mustard suedette biker jacket PS30 Bonmarche red suedette biker jacket PS40 you don't even Fatface khaki worker jacket PS69; Karen check ditsy dress PS55 Sosandar yellow leather biker jacket PS249; light wash denim cropped leg jeans PS55 Oasis utility jacket PS46 QUILTED JACKETS SPRING'S answer to the puffer, a quilted jacket offers warmth without the weight.
Cotton Traders red embroidered quilted jacket PS45; women's stretch jeans PS28
LONGLINE BLAZERS THE tailoring trend shows no sign of slowing down but if a two-piece suit isn't your bag, try a longline jacket instead.
To confirm what Tubokebimu told him, our Correspondent took a boat ride from Warri to Kurutie and was shocked that none of the passengers onboard the boat wore a life jacket even though the driver of the boat sat on the only life jacket onboard.
DAN BEAVAN takes a look at what to wear when the time comes to shed your winter coat Fitzrovia quilted jacket, PS180, Boden (boden.co.uk) Borg collar high shine jacket, PS75, River Island (riverisland.com) Varsity bomber jacket, PS69.99, Zara (zara.com/uk) Stripe shell jacket, PS45, River Island (riverisland.com) * Prices correct at time of going to print.