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Synonyms

coronal

American  
[kawr-uh-nl, kor-, kuh-rohn-l, kawr-uh-nl, kor-] / ˈkɔr ə nl, ˈkɒr-, kəˈroʊn l, ˈkɔr ə nl, ˈkɒr- /

noun

  1. a crown; coronet.

  2. a garland.

adjective

  1. of or relating to a coronal.

  2. Anatomy.

    1. of or relating to a corona.

    2. (of a plane along the long axis of the body) lying in the direction of the coronal suture.

    3. Also lying in the direction of the frontal plane.

  3. Phonetics. (of a speech sound) articulated with the tip of the tongue, especially in a retroflex position.

  4. Linguistics. (in distinctive feature analysis) articulated with the blade of the tongue raised; dental, alveolar, or palato-alveolar.

  5. of or relating to the tip of the tongue.

coronal British  

noun

  1. poetic a circlet for the head; crown

  2. a wreath or garland

  3. anatomy short for coronal suture

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

adjective

  1. of or relating to a corona or coronal

  2. phonetics a less common word for retroflex

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • coronaled adjective
  • coronally adverb
  • noncoronal adjective

Etymology

Origin of coronal

1300–50; Middle English < Latin corōnālis, equivalent to Latin corōn ( a ) crown + -ālis -al 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The full picture of the jets and the glowing coronal gas emerged only after the researchers combined data from several observatories.

From Science Daily • Jan. 10, 2026

During the peak of the current cycle, which Nasa confirmed occurred in October 2024, a higher number of sunspots led to more frequent eruptions of solar flares and coronal mass ejections.

From BBC • Dec. 28, 2025

The visionaries of the early Space Age didn’t worry much about solar radiation, coronal mass ejections, galactic cosmic rays, psychological stress from isolation, and cost-benefit ratios.

From Slate • Dec. 9, 2025

Image:This artist’s impression shows a coronal mass ejection, or CME, around a nearby star.

From Space Scoop • Nov. 28, 2025

The eyes were hollow and the carven beard was broken, but about the high stern forehead there was a coronal of silver and gold.

From "The Two Towers" by J. R. R. Tolkien

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.