doughnut

(redirected from Jelly donut)
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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 ?
No worries, though, because DeGeneres was to the rescue and her guest gift to Kaling was a tray of jelly donuts, including one giant one.
Did delivering the jelly donuts represent a breach in White House security protocols?
From home baked family cookies, cakes and bars to holiday treats such as Sufganiyah Jelly Donuts, this provides redone dessert recipes, an entire section on cake mix-based baking enhanced by gluten-free ingredients, and tips on how to use gluten-free flours to best advantage.
Cabernet & Jelly Donuts. If you're not hungry after reading the two previous items, here's another tasty morsel to whet your appetite.
"If hit by a crowd of people you weren't expecting [who are] arguing about jelly donuts or the color of the gym or some other issue, give them attention," he advises.
On those days when the call of jelly donuts and a comfortable armchair seem almost audible, a good partner will drag you out of the house.
Or a box of jelly donuts. But that's the situation in Connecticut, where state regulations require certain drugstores to shut their doors entirely if there's no druggist on duty.