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
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

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.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
"Then a voice in my head said, 'This town doesn't need another restaurant - it needs a doughnut shop.' And that was it."
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.
Fathi, Alamawi and Perez also are accused of robbing a Glenview doughnut shop a short time later.
5 CANADA has more doughnut shops than any other country in the world.
Many of the first doughnut shops were family-run bakeries that sold doughnuts and offered customers a cup of coffee and a table or two.
Maybe because a doughnut is to coffee what a nice slice of Stilton cheese is to a good glass of port, doughnut shops came to stake their reputation as much on their coffee as they did on their doughnuts.
Now, of course, doughnut shops have had to fight back against the latte/scone pummeling they've been receiving over the past 10 years or so.
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.
Instead of operating those doughnut shops ourselves, we simply stop and buy a dozen doughnuts on our way to our government jobs.
The family plans to open seven of the doughnut shops.
The pair hopes to operate five of the doughnut shops eventually, McIntosh said.