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.
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.
a time when the office air typically transports the scent of bad coffee or perhaps the faint aroma of jelly donuts.
Sufganiyot, the Israeli jelly donuts popular among Jews during Hanukkah, are at the top of their game right now, having been embraced wholeheartedly by the Thanksgivukkah lobby.