Synonym: Saint Elmo's fire, Saint Elmo's light, Saint Ulmo's fire, Saint Ulmo's light, St. Elmo's fire, aureole, corona discharge, corposant, electric glow. Similar words: coronary care unit, coronary artery bypass graft, coroner, coronet, moron, moronic, oxymoron, decorous. Meaning: [kə'rəʊnə] 
n. 1. the outermost region of the sun's atmosphere; visible as a white halo during a solar eclipse 2. (botany) the trumpet-shaped or cup-shaped outgrowth of the corolla of a daffodil or narcissus flower 3. an electrical discharge accompanied by ionization of surrounding atmosphere 4. one or more circles of light seen around a luminous object 5. (anatomy) any structure that resembles a crown in shape 6. a long cigar with blunt ends.
n. 1. the outermost region of the sun's atmosphere; visible as a white halo during a solar eclipse 2. (botany) the trumpet-shaped or cup-shaped outgrowth of the corolla of a daffodil or narcissus flower 3. an electrical discharge accompanied by ionization of surrounding atmosphere 4. one or more circles of light seen around a luminous object 5. (anatomy) any structure that resembles a crown in shape 6. a long cigar with blunt ends. 
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121. By the time the Sun's corona rays reach the Earth, they are weak and invisible.
122. The ignition energy, efficiency, burning time and main chemical reactions of the pulsed corona discharge ignition(PCD) used on internal combustion engine are discussed in detail.
123. The solar atmosphere above that consists of the photosphere, chromosphere, a transition region and the corona.
124. The results of field experiments show that the corona current network observation system can operate normally in a certain region.
More similar words: coronary care unit, coronary artery bypass graft, coroner, coronet, moron, moronic, oxymoron, decorous, for one thing, rancorous, corollary, indecorous, iron age, astronaut, patronage, aeronautics, confrontational, multinational corporation, porous, morose, moroccan, odorous, borough, orotund, sonorous, amorous, humorous, porosity, prorogue, factor out.