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Coronas

 - 7 dictionary results

co⋅ro⋅na

  [kuh-roh-nuh]
Use Coronas in a Sentence
–noun, plural -nas, -nae  [-nee] .
1. a white or colored circle or set of concentric circles of light seen around a luminous body, esp. around the sun or moon.
2. 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 ).
3. Also called aureola, aureole. Astronomy. a faintly luminous envelope outside of the sun's chromosphere, the inner part consisting of highly ionized elements.
4. a long, straight, untapered cigar, rounded at the closed end.
5. Botany. a crownlike appendage, esp. one on the inner side of a corolla, as in the narcissus.
6. Anatomy. the upper portion or crown of a part, as of the head.
7. Electricity. corona discharge.
8. Architecture. the projecting, slablike member of a classical cornice supported by the bed molding or by modillions, dentils, etc., and supporting the cymatium.
9. the tonsure of a cleric.
10. Ecclesiastical. a gold-colored stripe around the lower edge of a clerical headdress, as of a miter.
11. a chandelier of wrought metal, having the form of one or more concentric hoops.
Origin:
1555–65; < L corōna garland, crown < Gk kornē crown, curved object; akin to korōnís curved, beaked, kórax crow, raven

Co⋅ro⋅na

  [kuh-roh-nuh]
–noun
a city in SE California. 37,791.

corona discharge

 
–noun Electricity.
a discharge, frequently luminous, at the surface of a conductor or between two conductors of the same transmission line, accompanied by ionization of the surrounding atmosphere and often by a power loss.
Also called corona, electric glow, St. Elmo's fire.

Origin:
1915–20
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To Coronas
co·ro·na   (kə-rō'nə)   
n.   pl. co·ro·nas or co·ro·nae (-nē)

  1. Astronomy

    1. A faintly colored luminous ring appearing to surround a celestial body visible through a haze or thin cloud, especially such a ring around the moon or sun, caused by diffraction of light from suspended matter in the intervening medium. Also called aureole.

    2. The luminous irregular envelope of highly ionized gas outside the chromosphere of the sun.

  2. Architecture The projecting top part of a cornice.

  3. A cigar with a long tapering body and blunt ends.

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

  5. Botany A crown-shaped, funnel-shaped, or trumpet-shaped outgrowth or appendage of the perianth of certain flowers, such as the daffodil or the spider lily. Also called crown.

  6. Electricity A faint glow enveloping the high-field electrode in a corona discharge, often accompanied by streamers directed toward the low-field electrode.


[Latin corōna; see crown.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

corona 
1658, from L. "crown, garland" (see crown).
Online Etymology Dictionary, © 2001 Douglas Harper
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Medical Dictionary

Main Entry: co·ro·na
Pronunciation: k&-'rO-n&
Function: noun
: the upper portion of a bodily part (as a tooth or the skull)
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
Cite This Source
Medical Dictionary

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.
Cite This Source
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