doughnut

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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 ?
Her doughnuts are also "not sweet like candy," which makes them popular among Asians, said Vong, who is originally from Cambodia.
BANKING AND CREDIT NEWS-June 5, 2017-American Express, Delta Air Lines launch summer doughnut offer
Cake-style doughnuts, which require a blend of flour, sugar, baking powder, salt, nutmeg, eggs, milk and butter, can be equally easy to make.
Halo doughnuts are extremely flexible, they can simply be defrosted and served as they are due to their colourful appearance, or bakers have the option to be creative with a never-ending combination of toppings, giving them a broad appeal to a wide target audience.
Set a chocolate glazed doughnut in the center of a large serving platter.
Doughnuts features 60 recipes from peanut butter and jam and orange blossom and pistachio to ice cream sandwiches and blueberry cheesecake.
It also unveiled the largest box of doughnuts Entenmann's has ever created.
Dunkin' Donuts is wellknown for its cake-based doughnuts-- they have yeast-based doughnuts too, but most American consumers (read the uniformed cops) prefer the cake-based ones as they are more filling; the yeast-based ones are much lighter, and well, less 'cake-ish'.
All you need to do is to purchase doughnuts from participating high street bakers - wherever you see the National Doughnut Week posters displayed.
a hole-in-the-wall (literally) shop that specializes in doughnuts that not only look and taste as good as any other but also are made with quality, organic ingredients even a vegan can love.
Celebrated American doughnut specialists Krispy Kreme offered the first 25 customers free doughnuts for a year and the next 25 customers who waited patiently at Seef Mall received free doughnuts for six months.
Thirty thousand doughnuts a day have started rolling out of the biggest Dunkin' Donuts kitchen in the Middle East and Asia.