Relating to the corona of the sun or another star.‘coronal holes are a source of geomagnetic activity’
- ‘It has long been known to the astronomical community that the fast solar wind comes from coronal holes.’
- ‘These gaps, located at the Sun's poles, are called coronal holes.’
- ‘Areas on the surface of the Sun called coronal holes, where the magnetic field is quite open and highly energetic charged particles stream out and hit the earth's magnetic field and interact with it.’
- ‘The images will be used by NOAA and the U.S. Air Force to monitor and forecast solar flares, coronal mass ejections, coronal holes and active regions.’
- ‘Stepping out by a distance equivalent to the solar radius, the coronal brightness drops by about a factor of a thousand, to be about a billionth that of the solar disk.’
Relating to the crown of the head.
Of or in the coronal plane.‘coronal imaging’
- ‘In that study, the improved accuracy of MRI was interpreted as being related to the ability to image the superior sulcus on thin-section coronal and sagittal images.’
- ‘Particularly in tumors of the superior sulcus or the lung base, images in the coronal or sagittal plane can be used to demonstrate the relationship of the tumor within the lung apex to adjacent structures.’
- ‘A coronal CT image is the preferred initial procedure.’
- ‘Sagittal and coronal cross-sectional images afford the best views and will be used throughout the MRI portion of pelvic anatomy.’
- ‘Axial views and images were reoriented into coronal and sagittal views.’
(of a consonant) formed by raising the tip or blade of the tongue towards the hard palate.
A coronal consonant.
Late Middle English (in coronal (sense 2 of the adjective)): from Latin coronalis, from corona ‘crown’.
1A garland or wreath for the head.
festoon, lei, wreath, chain, loop, ring, circle, swathe, swag
- ‘her eyes sparkled beneath a coronal of flowers’
- 1.1literary A small crown; a coronet.coronet, diadem, tiara, circlet, chaplet, fillet, wreath, garland, headband
Middle English apparently from Anglo-Norman French, from corune ‘crown, wreath’ (see crown).