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Definition of corona

corona

/kəˈroʊ.nə/
co · ro · na

Plural:coronas
•
Adjective:coronal
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corona Lexical Profile

corona Game Scores & Validity

• noun

1

The rarefied gaseous envelope of the sun and other stars, typically visible as a white halo during a total solar eclipse.

Example

"Astronomers used special instruments during the eclipse to study the temperature of the solar corona."


2

A small circle of light seen around the sun or moon, caused by the diffraction of light by water droplets in thin clouds.

Example

"A faint luminous corona encircled the full moon as high-altitude clouds drifted across the night sky."


3

A cup-shaped or crown-like outgrowth on the inner side of the perianth of certain flowers, such as the daffodil.

Example

"The bright yellow trumpet in the center of a daffodil is botanically known as the corona."


4

A long, straight-sided cigar with a blunt, rounded end.

Example

"After dinner, the host offered his guests a box of imported Cuban coronas."


5

A faint glow enveloping a high-voltage electrical conductor, caused by the ionization of the surrounding air.

Example

"Engineers designed the transmission lines to minimize energy loss from electrical corona."

Synonyms
View all synonyms for corona

• Rhymes for corona

Word Origin & Etymology

Borrowed directly from Latin corona ('crown, garland, or wreath'), itself derived from Ancient Greek korōnē ('anything curved, a kind of crown').

Cite this Entry


Wordmom. (2026). Definition of Corona. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/corona
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