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nounthe outermost region of the sun's atmosphere; visible as a white halo during a solar eclipse
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nounan electrical discharge accompanied by ionization of surrounding atmosphere
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nouna long cigar with blunt endstype of:
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noun(anatomy) any structure that resembles a crown in shape
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noun(botany) the trumpet-shaped or cup-shaped outgrowth of the corolla of a daffodil or narcissus flowertype of:part of:
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nounone or more circles of light seen around a luminous objecttype of:
Definition that contains corona
- hercules a large constellation in the northern hemisphere between Lyra and Corona Borealis
- coronary obstruction of blood flow in a coronary artery by a blood clot (thrombus)
- reims a city in northeastern France to the east of Paris; scene of the coronation of most French kings; site of the unconditional German surrender in 1945 at the end of World War II
- rheims a city in northeastern France to the east of Paris; scene of the coronation of most French kings; site of the unconditional German surrender in 1945 at the end of World War II
- angioplasty an operation to repair a damaged blood vessel or unblock a coronary artery
- chromosphere a gaseous layer of the sun's atmosphere (extending from the photosphere to the corona) that is visible during a total eclipse of the sun
- right atrium of the heart the right upper chamber of the heart that receives blood from the venae cavae and coronary sinus
- oblique vein of the left atrium a tributary of the coronary sinus; on the posterior wall of the left atrium
- low-density lipoprotein a lipoprotein that transports cholesterol in the blood; composed of moderate amount of protein and a large amount of cholesterol; high levels are thought to be associated with increased risk of coronary heart disease and atherosclerosis
- coronary occlusion occlusion of a coronary artery caused either by progressive atherosclerosis or by a blood clot