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[kuh-roh-nuh] /kəˈroʊ nə/
noun, plural coronas, coronae
[kuh-roh-nee] /kəˈroʊ ni/ (Show IPA)
a white or colored circle or set of concentric circles of light seen around a luminous body, especially around the sun or moon.
Meteorology. such a circle or set of circles having a small radius and ranging in color from blue inside to red outside, attributable to the diffraction caused by thin clouds, mist, or sometimes dust (distinguished from halo).
Also called aureola, aureole. Astronomy. a faintly luminous envelope outside of the sun's chromosphere, the inner part consisting of highly ionized elements.
a long, straight, untapered cigar, rounded at the closed end.
Botany. a crownlike appendage, especially one on the inner side of a corolla, as in the narcissus.
Anatomy. the upper portion or crown of a part, as of the head.
Electricity, corona discharge.
Architecture. the projecting, slablike member of a classical cornice supported by the bed molding or by modillions, dentils, etc., and supporting the cymatium.
the tonsure of a cleric.
Ecclesiastical. a gold-colored stripe around the lower edge of a clerical headdress, as of a miter.
a chandelier of wrought metal, having the form of one or more concentric hoops.
Origin of corona
1555-65; < Latin corōna garland, crown < Greek korṓnē crown, curved object; akin to korōnís curved, beaked, kórax crow1, raven


[kuh-roh-nuh] /kəˈroʊ nə/
a city in SE California. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for corona
Contemporary Examples
Historical Examples
  • corona, who had finished her own slight breakfast some minutes before, immediately arose and followed him.

    For Woman's Love Mrs. E. D. E. N. Southworth
  • For Capricornus's sake and for corona's all this is hid from the world.

  • During one of these periods of observation she perceived corona Raybold approaching.

    The Associate Hermits Frank R. Stockton
  • There is, we believe, no evidence that the corona catches pollen.

  • In the same way as the corona, the chromosphere and prominences were for a time supposed to belong to the moon.

    Astronomy of To-day Cecil G. Dolmage
  • The bishop hesitated for a moment, and then he accompanied corona.

    The Associate Hermits Frank R. Stockton
  • When corona had finished speaking, Giovanni was silent for a few moments.

    Don Orsino F. Marion Crawford
  • But long before they arrived corona finished her meal and rose.

    The Associate Hermits Frank R. Stockton
  • corona well knew that she should get no greater concession than this.

    Don Orsino F. Marion Crawford
British Dictionary definitions for corona


noun (pl) -nas, -nae (-niː)
a circle of light around a luminous body, usually the moon
Also called aureole. the outermost region of the sun's atmosphere, visible as a faint halo during a solar eclipse
(architect) the flat vertical face of a cornice just above the soffit
something resembling a corona or halo
a circular chandelier suspended from the roof of a church
  1. the trumpet-shaped part of the corolla of daffodils and similar plants; the crown
  2. a crown of leafy outgrowths from inside the petals of some flowers
(anatomy) a crownlike structure, such as the top of the head
(zoology) the head or upper surface of an animal, such as the body of an echinoid or the disc and arms of a crinoid
a long cigar with blunt ends
(physics) short for corona discharge
Word Origin
C16: from Latin: crown, from Greek korōne anything curved; related to Greek korōnis wreath, korax crow, Latin curvus curved
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for corona

1650s, from Latin corona "crown, garland" (see crown (n.)).

Online Etymology Dictionary, © 2010 Douglas Harper
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corona in Medicine

corona co·ro·na (kə-rō'nə)
n. pl. co·ro·nas or co·ro·nae (-nē)
The crownlike upper portion of a body part or structure, such as the top of the head.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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corona in Science
Plural coronas or coronae (kə-rō'nē)
  1. The luminous, irregular envelope of gas outside the chromosphere of a star. The Sun's corona is composed of ionized gas between approximately 1,000,000°K and 2,000,000°K and has an extremely low density. This phenomenon is visible only during a solar eclipse.

  2. A faintly colored luminous ring appearing to surround a celestial body (such as the Moon or Sun) that is visible through a haze or thin cloud, caused by diffraction of light from suspended matter in the intervening medium. Also called aureole.

  3. A faint glow of the air in the region of very strong electric fields, caused by ionization of the air molecules and flow of current in that region in corona discharge.

  4. The crownlike upper portion of a bodily part or structure, such as the top of the head.

  5. A crown-shaped structure on the inner side of the petals of some flowers, such as the daffodil.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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