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Definition of Corona
1. Noun. The outermost region of the sun's atmosphere; visible as a white halo during a solar eclipse.
Group relationships: Nimbus, Nimbus Cloud, Rain Cloud
Generic synonyms: Glow, Glowing, Radiance
2. Noun. (botany) the trumpet-shaped or cup-shaped outgrowth of the corolla of a daffodil or narcissus flower.
Group relationships: Corolla
Generic synonyms: Plant Part, Plant Structure
3. Noun. An electrical discharge accompanied by ionization of surrounding atmosphere.
Generic synonyms: Arc, Discharge, Electric Arc, Electric Discharge, Spark
4. Noun. One or more circles of light seen around a luminous object.
5. Noun. (anatomy) any structure that resembles a crown in shape.
Category relationships: Anatomy, General Anatomy
Derivative terms: Coronary
6. Noun. A long cigar with blunt ends.
Definition of Corona
1. n. A crown or garland bestowed among the Romans as a reward for distinguished services.
Definition of Corona
1. Noun. A crown or garland bestowed among the Romans as a reward for distinguished services. ¹
2. Noun. (star) The luminous plasma atmosphere of the Sun or other star, extending millions of kilometres into space, most easily seen during a total solar eclipse, ¹
3. Noun. (biology) Any crown-like appendage of a plant or animal. ¹
4. Noun. (electrical): a low energy discharge caused by ionization of a gas by an electric field [quite common at conductor bends of 12kV or higher]. ¹
¹ Source: wiktionary.com
Definition of Corona
1. a luminous circle around a celestial body [n -NAS or -NAE]
Medical Definition of Corona
1. A ring of tissue arising from the corolla or perianth of a flower and standing between the perianth lobes and the stamens. (09 Oct 1997)
Lexicographical Neighbors of Corona
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