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Definitions of corona
  1. noun
    the outermost region of the sun's atmosphere; visible as a white halo during a solar eclipse

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  2. noun
    an electrical discharge accompanied by ionization of surrounding atmosphere
  3. noun
    a long cigar with blunt ends
    type of:
  4. noun
    (anatomy) any structure that resembles a crown in shape
  5. noun
    (botany) the trumpet-shaped or cup-shaped outgrowth of the corolla of a daffodil or narcissus flower
    part of:
  6. noun
    one or more circles of light seen around a luminous object
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
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