corona

noun

co·​ro·​na kə-ˈrō-nə How to pronounce corona (audio)
plural coronas
1
: the projecting part of a classic cornice
2
: something suggesting a crown: such as
a plural coronae kə-ˈrō-(ˌ)nē How to pronounce corona (audio) also coronas
(1)
: a usually colored circle often seen around and close to a luminous body (such as the sun or moon) caused by diffraction produced by suspended droplets or occasionally particles of dust
(2)
: the tenuous outermost part of the atmosphere of a star (such as the sun)
(3)
: a circle of light made by the apparent convergence of the streamers of the aurora borealis
b
: the upper portion of a bodily part (such as a tooth or the skull)
c
: an appendage or series of united appendages on the inner side of the corolla in some flowers (such as the daffodil, jonquil, or milkweed)
d
: a faint glow adjacent to the surface of an electrical conductor at high voltage
e
informal : coronavirus
In the fight against the consequences of the corona epidemic, the Italian government is resorting to radical measures.Anne Kunz et al.
3
[from La Corona, a trademark] : a long cigar having the sides straight to the end to be lit and being roundly blunt at the other end

Illustration of corona

Illustration of corona
  • a corona 2c

Examples of corona in a Sentence

Recent Examples on the Web When large enough, these plasma eruptions from the sun's corona can cause the aurora borealis to be visible further south. Laura Daniella Sepulveda, The Arizona Republic, 11 Oct. 2024 What is the path of the solar eclipse called? Those in the direct line of the eclipse will be treated to an incredible sight as the moon completely blots out the sun's disk, ushering in uncharacteristic darkness and revealing the sun's elusive outermost layer called the corona. Doyle Rice, USA TODAY, 9 Apr. 2024 The 100% obscuration allows observers to see the solar corona — the sun’s delicate outer atmosphere — with their naked eyes, but only for a few minutes. Jamie Carter, Forbes, 25 Sep. 2024 Since the 1940s, studies had shown that the Sun’s corona, or solar atmosphere, could heat up to very high temperatures – over 2 million degrees Fahrenheit (or more than 1 million degrees Celsius). Yeimy J. Rivera, Discover Magazine, 6 Sep. 2024 See all Example Sentences for corona 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'corona.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

borrowed from Latin corōna "garland worn on the head as a mark of honor or emblem of majesty, halo around a celestial body, top part of an entablature" — more at crown entry 1

First Known Use

1563, in the meaning defined at sense 1

Time Traveler
The first known use of corona was in 1563

Dictionary Entries Near corona

Cite this Entry

“Corona.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/corona. Accessed 31 Oct. 2024.

Kids Definition

corona

noun
co·​ro·​na kə-ˈrō-nə How to pronounce corona (audio)
1
: a usually colored circle often seen around and close to a shining body (as the sun or moon)
2
: the outermost part of the atmosphere of a star (as the sun)
3
: a faint glow next to the surface of an electrical conductor at high voltage
coronal
ˈkȯr-ən-ᵊl
ˈkär-;
kə-ˈrōn-
adjective

Medical Definition

corona

noun
co·​ro·​na kə-ˈrō-nə How to pronounce corona (audio)
1
: the upper portion of a bodily part (as a tooth or the skull)
2
informal : coronavirus

Geographical Definition

Corona

geographical name

Co·​ro·​na kə-ˈrō-nə How to pronounce Corona (audio)
city in southern California east of Los Angeles population 152,374

More from Merriam-Webster on corona

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