Also found in: Thesaurus.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.doughnut-shaped - shaped like a ringdoughnut-shaped - shaped like a ring      
rounded - curving and somewhat round in shape rather than jagged; "low rounded hills"; "rounded shoulders"
References in periodicals archive ?
After 9 years of building and testing, scientists at the Max Planck Institute for Plasma Physics in Greifswald injected a small amount of hydrogen into a doughnut-shaped device then zapped it with the equivalent of 6,000 microwave ovens.
The software, called Terminal Sequencing and Spacing (previously called TSS, now TSAS), will help air traffic controllers manage airspace within a doughnut-shaped region of sky that begins five miles from a major airport and extends outward about 35 miles.
The young star is 4,200 light-years from Earth and appears to be surrounded by a doughnut-shaped cloud of dust, BBC reported.
A doughnut-shaped beam of green light can pull glass beads for tens of centimeters, the longest distance ever reported for a tractor beam of light.
The unified model answers this question by proposing that every black hole is surrounded by a dusty, doughnut-shaped structure called a torus.
One of the most promising approaches to controlled thermonuclear fusion is a hot plasma magnetically confined in a doughnut-shaped "tokamak" reactor.
The historic doughnut-shaped building, which dates back to 1960, has been bought by property developer "Stanhope plc", the corporation said.
If it is accepted, the couple then begin collecting more pebbles to line their doughnut-shaped nest.
The doughnut-shaped building in White City is being sold for an estimated pounds 30million.
The result is a moist, tasty doughnut-shaped confection he says typically has one-third fewer calories and fat grams than deep-fried doughnuts.
THE BBC has put its iconic doughnut-shaped HQ up for sale and aims to raise at least pounds 300million.
THE doughnut-shaped phenomenon above was photographed by a retired RAF officer and sent to his old bosses tasked with investigating UFOs.