There are 3 definitions of Corona in English:

Corona

Syllabification: Co·ro·na
Pronunciation: /kəˈrōnə/

Entry from US English dictionary

  • A city in southwestern California, southwest of Riverside; population 149,923 (est. 2008).

More definitions of Corona

Definition of Corona in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day kerf
Pronunciation: kərf
noun
a slit made by cutting with a saw

There are 3 definitions of Corona in English:

corona1

Line breaks: cor¦ona
Pronunciation: /kəˈrəʊnə
 
/

noun (plural coronae /-niː/)

  • 1 Astronomy The rarefied gaseous envelope of the sun and other stars. The sun’s corona is normally visible only during a total solar eclipse, when it is seen as an irregularly shaped pearly glow surrounding the darkened disc of the moon.
    More example sentences
    • With the face of the Sun blocked by the Moon during a solar eclipse, the corona shines with the brightness of a full Moon.
    • As the brilliant Sun is covered by the Moon, the pearly corona flashes into view, the sky darkens, and all of nature seems to come to a halt.
    • Like the chromosphere, the corona can only be seen by eye during a total eclipse, although there are other technical ways to observe it between times.
  • 1.1 (also corona discharge) Physics The glow around a conductor at high potential.
    More example sentences
    • In this process, the difficult-to-bond plastic is exposed to a corona discharge, usually in the presence of air and at atmospheric pressure.
    • The ion mobility cell is doped with ions produced by a corona discharge ionisation source.
    • Instead of generating a lightning strike, the corona discharge, as it's called, flees objects such the masts of ships, power poles, antennas, and the wings of aircraft, causing the glow.
  • 1.2A small circle of light seen round the sun or moon, due to diffraction by water droplets.
    More example sentences
    • Another effect that is caused by the interaction of the sun and water droplets, is the corona.
    • But the corona owes its origin to diffraction rather than refraction.
    • A circle around the sun or moon that is smaller than a halo with a 22-degree radius, is probably a corona.
  • 2 Anatomy A crown or crown-like structure.
    More example sentences
    • The heart muscle has its own blood supply coming from a crown or corona of blood vessels that circle the heart, sending down branches to various parts of the muscle.
    • In most species, the head carries a corona of cilia that draws a vortex of water into the mouth, which the rotifer sifts for food.
  • 3 Botany The cup-shaped or trumpet-shaped outgrowth at the centre of a daffodil or narcissus flower.
    More example sentences
    • In the flowers, corolla, corona and anther structure are similar, but the shape of the pollen tetrads in the two genera is different.
    • The style projects from the corona of anthers and elongates with age.
    • Contrast in spectral reflectance between the corona and corolla was evident only in Pachycarpus natalensis and Asclepias cucullata.
  • 4A circular chandelier in a church.
    More example sentences
    • The curious structure in the front tea room was a rectilinear framework of wood with an elaborate wrought-iron flower stand on top of it and a circular wrought iron corona above that.
  • 5 Architecture A part of a cornice having a broad vertical face.

Origin

mid 16th century (in sense 5): from Latin, 'wreath, crown'.

More definitions of Corona

Definition of corona in:

There are 3 definitions of Corona in English:

corona2

Line breaks: cor¦ona
Pronunciation: /kəˈrəʊnə
 
/

noun

  • A long, straight-sided cigar.
    More example sentences
    • Eventually all the beautiful people were puffing robustos and coronas while schmoozing, partying and sauntering among the paparazzi.
    • For instance, a corona that is typically 5.5 x 42 means that the cigar measures 5.5 inches in length and 42/60ths of an inch in diameter.
    • I dropped the corona and it caught on the curtain.

Origin

late 19th century: from Spanish La Corona, literally 'the crown', originally a proprietary name.

More definitions of Corona

Definition of corona in: