doughnut

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Related to Doughnut shop: Donuts

doughnut

(esp US), donut
anything shaped like a ring, such as the reaction vessel of a thermonuclear reactor

doughnut

[′dō‚nət]
(nucleonics)
Also spelled donut.
The toroidal vacuum chamber in which electrons are accelerated in a betatron or synchrotron. Also known as toroid.
An assembly of enriched fissionable material, often doughnut-shaped, used in a thermal reactor to provide a local increase in fast neutron flux for experimental purposes.
(petroleum engineering)
A ring of wedges or a threaded, tapered ring that supports a pipe string.

concrete collar, doughnut

A collar of reinforced concrete which is placed around an existing column so that it can be jacked up; the shrinkage of the concrete causes it to grip the column firmly.
References in periodicals archive ?
What: Karen Nunley's doughnut shop will hold a benefit in support of local midwife teams currently helping women and infants in Haiti following the Jan.
You think about what she has accomplished in so little time, starting with nothing, and it is amazing,'' says Paul Delaney, a steady customer at the doughnut shop.
The officers waiting outside the doughnut shop didn't know that the worker inside, who had been unarmed during previous hold-ups, was carrying a gun.
The woman, who remains hospitalized, had been talking on a pay phone outside the Winchell's doughnut shop in 100 block of East Avenue J when she burst into flames about 6:15 a.
Witnesses told deputies the woman was alone, talking on a pay telephone outside the Winchell's doughnut shop in the 100 block of East Avenue J, when she burst into flames at about 6:15 a.
The attackers, both described as Latinos in their early 20s with shaved heads, robbed the victim as he walked out of a doughnut shop in the 15100 block of Vanowen Street about 9 p.
Commander'' Chuck Street, a well-known radio helicopter pilot working as an independent contractor for KIIS-FM radio station, was cited by the Los Angeles Fire Department for landing on private property to cover the opening of the doughnut shop, officials said.
In the doughnut business the hours are long and the competition, well, it can make a doughnut shop owner empty inside.
Today American Express and Delta Air Lines announced their national #DeltaAmexPerks Dough On-The-Go tour, which will treat Delta SkyMiles American Express Card Members with complimentary doughnuts from favorite local doughnut shops across the country throughout the summer.
Vietnamese people, one of our more recent immigrants groups, come to our country and open doughnut shops and other low-capital enterprises and insist that their kids go to school and get a good education.
The original Bess Eaton Coffee Shop chain was sold to Tim Hortons doughnut shops in 2004; Tim Horton closed the local stores in late 2010.