cor·o·nal
ˈkȯr-ə-nᵊl 
ˈkär-
variants
or less commonly coronel
: a circlet for the head usually implying rank or dignity
co·ro·nal
ˈkȯr-ə-nᵊl
ˈkär-;
kə-ˈrō-
1
a
: lying in the direction of the coronal suture
b
: of or relating to the frontal plane that passes through the long axis of the body
2
: of or relating to a corona or crown
Examples of coronal in a Sentence
Noun
a Renaissance portrait of a nobel woman of Florence wearing a bejeweled coronal
Recent Examples on the Web
Maria Azzurra Volpe, MSNBC Newsweek, 26 Aug. 2025
The dramatic coronal headpiece was meant to evoke the Virgin Mary.
—New York Times, 8 May 2018
Pranjal Malewar, New Atlas, 27 Oct. 2025
The coronal magnetic field is therefore constantly under immense strain, and when that strain becomes too great, its tangled magnetic field lines snap open.
—Literary Hub, 27 Oct. 2025
See All Example Sentences for coronal
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Noun
The coronal loops that the scientists were able to identify measured an average of 30 miles wide, with some as as thin as 13 miles—making these the smallest coronal loops ever observed.
—Maria Azzurra Volpe, MSNBC Newsweek, 26 Aug. 2025
The dramatic coronal headpiece was meant to evoke the Virgin Mary.
—New York Times, 8 May 2018
Adjective
The rain itself showed a photospheric signature (based on the silicon-to-sulfur ratio), while the hotter plasma around it had a coronal signature (based on calcium-to-argon).
—Pranjal Malewar, New Atlas, 27 Oct. 2025
The coronal magnetic field is therefore constantly under immense strain, and when that strain becomes too great, its tangled magnetic field lines snap open.
—Literary Hub, 27 Oct. 2025
See All Example Sentences for coronal
Cite this Entry
“Coronal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/coronal. Accessed 4 Nov. 2025.
Copy CitationMedical Definition
coronal
adjective
co·ro·nal
ˈkȯr-ən-ᵊl
ˈkär-; kə-ˈrōn-
ˈkär-; kə-ˈrōn-
1
: of, relating to, or being a corona
2
: lying in the direction of the coronal suture
3
: of or relating to the frontal plane that passes through the long axis of the body
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