the outermost region of the sun's atmosphere; visible as a white halo during a solar eclipse
(botany) the trumpet-shaped or cup-shaped outgrowth of the corolla of a daffodil or narcissus flower
corona discharge, corona, corposant, St. Elmo's fire, Saint Elmo's fire, Saint Elmo's light, Saint Ulmo's fire, Saint Ulmo's light, electric glow(noun)
an electrical discharge accompanied by ionization of surrounding atmosphere
one or more circles of light seen around a luminous object
(anatomy) any structure that resembles a crown in shape
a long cigar with blunt ends
A crown or garland bestowed among the Romans as a reward for distinguished services.
The luminous plasma atmosphere of the Sun or other star, extending millions of kilometres into space, most easily seen during a total solar eclipse,
Any crown-like appendage of a plant or animal.
(electrical): a low energy discharge caused by ionization of a gas by an electric field [quite common at conductor bends of 12kV or higher].
Origin: From corona, from .
A corona (meaning "crown" in Latin derived from Ancient Greek κορώνη (korōnè, "garland, wreath")) is an aura of plasma that surrounds the Sun and other stars. The Sun's corona extends millions of kilometres into outer space and is most easily seen during a total solar eclipse, but it is also observable with a coronagraph. Spectroscopy measurements indicate strong ionization in the corona and a plasma temperature in excess of 1000000 kelvin, much hotter than the surface of the Sun. Light from the corona comes from three primary sources, from the same volume of space. The K-corona (K for kontinuierlich, "continuous" in German) is created by sunlight scattering off free electrons; Doppler broadening of the reflected photospheric absorption lines spreads them so greatly as to completely obscure them, giving the spectral appearance of a continuum with no absorption lines. The F-corona (F for Fraunhofer) is created by sunlight bouncing off dust particles, and is observable because its light contains the Fraunhofer absorption lines that are seen in raw sunlight; the F-corona extends to very high elongation angles from the Sun, where it is called the zodiacal light. The E-corona (E for emission) is due to spectral emission lines produced by ions that are present in the coronal plasma; it may be observed in broad or forbidden or hot spectral emission lines and is the main source of information about the corona's composition.
a crown or garland bestowed among the Romans as a reward for distinguished services
the projecting part of a Classic cornice, the under side of which is cut with a recess or channel so as to form a drip. See Illust. of Column
the upper surface of some part, as of a tooth or the skull; a crown
the shelly skeleton of a sea urchin
a peculiar luminous appearance, or aureola, which surrounds the sun, and which is seen only when the sun is totally eclipsed by the moon
an inner appendage to a petal or a corolla, often forming a special cup, as in the daffodil and jonquil
any crownlike appendage at the top of an organ
a circle, usually colored, seen in peculiar states of the atmosphere around and close to a luminous body, as the sun or moon
a peculiar phase of the aurora borealis, formed by the concentration or convergence of luminous beams around the point in the heavens indicated by the direction of the dipping needle
a crown or circlet suspended from the roof or vaulting of churches, to hold tapers lighted on solemn occasions. It is sometimes formed of double or triple circlets, arranged pyramidically. Called also corona lucis
a character [/] called the pause or hold
Origin: [L. corona crown. See Crown.]
A corona is a type of plasma of the Sun or other celestial body, extending millions of kilometres into space, most easily seen during a total solar eclipse, but also observable in a coronagraph. The word "corona" itself derived from the Latin, meaning crown, which in turn came from the Ancient Greek κορώνη meaning "garland" or "wreath". The high temperature of the corona gives it unusual spectral features, which led some to suggest, in the 19th century, that it contained a previously unknown element, "coronium". These spectral features have since been traced to highly ionized iron which indicates a plasma temperature in excess of 106 kelvin. The fact that the Sun has a million-degree corona was first discovered by Gotrian in 1939 and Bengt Edlén in 1941 by identifying the coronal lines as transitions from low-lying metastable levels of the ground configuration of highly ionised metals. Light from the corona comes from three primary sources, which are called by different names although all of them share the same volume of space. The K-corona is created by sunlight scattering off free electrons; Doppler broadening of the reflected photospheric absorption lines completely obscures them, giving the spectral appearance of a continuum with no absorption lines. The F-corona is created by sunlight bouncing off dust particles, and is observable because its light contains the Fraunhofer absorption lines that are seen in raw sunlight; the F-corona extends to very high elongation angles from the Sun, where it is called the zodiacal light. The E-corona is due to spectral emission lines produced by ions that are present in the coronal plasma; it may be observed in broad or forbidden or hot spectral emission lines and is the main source of information about the corona's composition.
Chambers 20th Century Dictionary
ko-rō′na, n. (archit.) the large, flat, projecting member of a cornice which crowns the entablature: (bot.) the crown-like appendage at the top of compound flowers: (astron.) the luminous circle or halo which surrounds the moon during a solar total eclipse: (anat.) a term used to signify the upper surface of certain parts of the body: a round pendent chandelier:—pl. usually Corō′næ.—n. Cor′onal, a crown or garland: the frontal bone of the skull.—adjs. Cor′onal, Cor′onary, pertaining to a crown, or to the top of the head; Cor′onāte, -d, crowned, applied to shells with a row of projections round the apex.—ns. Coronā′tion, the act of crowning a sovereign; Corō′nis, a sign (′) marking a crasis, as κἄν = καὶ ἄν; Cor′onule (bot.), an appendage like a small crown. [L. corona, a crown.]
Dictionary of Nautical Terms
In timber, consists of rows of microscopic cylinders, situated between the wood and the pith; it is that part from which all the branches take their rise, and from it all the wood-threads grow.--Corona astronomically means the luminous ring or glory which surrounds the sun or moon during an eclipse, or the intervention of a thin cloud. They are generally faintly coloured at their edges. Frequently when there is a halo encircling the moon, there is a small corona more immediately around it. Coronæ, as well as halos, have been observed to prognosticate rain, hail, or snow, being the result of snow or dense vapours nearer the earth, through which the object becomes hazy.
A piece of a flower or plant with a specific shape according to the species of flower or plant.
The narcisscus has a variety of corona on the top of the flower.Submitted by MaryC on September 10, 2016
Song lyrics by corona -- Explore a large variety of song lyrics performed by corona on the Lyrics.com website.
The numerical value of corona in Chaldean Numerology is: 7
The numerical value of corona in Pythagorean Numerology is: 3
Examples of corona in a Sentence
Space telescopes can't take us this close to the sun, the eclipse provides an opportunity for scientists to gather observations very close to the sun in white light, infrared, other wavelengths. This is the region that sets the boundary conditions for how the corona is heated, how is the solar wind accelerated -- conditions we call space weather. We are continuously still learning about this environment.
The Department has initiated an Administrative Investigation and is working with the Corona Police Department to learn more about the incident.
Big love everybody, stay safe out there, self-quarantine. It seems really crazy actually this whole corona thing, but do the right thing by you and your family and stay safe.
I hope it carries on. There was a time, when, you know, in the ancient days, all wars would stop for the Olympics, it feels like we're at war collectively and the common enemy is corona. And it felt like perhaps for maybe even just this morning, the war stopped and some healing could occur.
The situation is contradictory, we invited people to stay at home to avoid spreading of the corona virus, and now we are advising them to leave their homes.
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