Coronal-hole
noun, Astronomy.
1.
a part of the solar corona that appears dark on optical and x-ray images and is characterized by low temperature and low density.
Read Also:
- Coronalled
[noun kawr-uh-nl, kor-; adjective kuh-rohn-l, kawr-uh-nl, kor-] /noun ˈkɔr ə nl, ˈkɒr-; adjective kəˈroʊn l, ˈkɔr ə nl, ˈkɒr-/ noun 1. a crown; coronet. 2. a garland. adjective 3. of or relating to a coronal. 4. Anatomy. 5. Phonetics. (of a speech sound) articulated with the tip of the tongue, especially in a retroflex position. […]
- Coronally
[noun kawr-uh-nl, kor-; adjective kuh-rohn-l, kawr-uh-nl, kor-] /noun ˈkɔr ə nl, ˈkɒr-; adjective kəˈroʊn l, ˈkɔr ə nl, ˈkɒr-/ noun 1. a crown; coronet. 2. a garland. adjective 3. of or relating to a coronal. 4. Anatomy. 5. Phonetics. (of a speech sound) articulated with the tip of the tongue, especially in a retroflex position. […]
- Coronal-mass-ejection
noun, Astronomy. 1. a large-scale solar event involving an ejection of hot plasma that may accelerate charged particles and travel as far as the earth’s orbit, preceded by a shock front that may create a magnetic storm on earth. Abbreviation: CME. noun 1. a cloud of particles ejected from the sun’s surface during a solar […]
- Coronal plane
coronal plane n. A vertical plane at right angles to a sagittal plane, dividing the body into anterior and posterior portions. Also called frontal plane.
- Coronal-suture
noun, Anatomy. 1. a seam extending across the skull where the frontal bone and the parietal bones meet. noun 1. the serrated line across the skull between the frontal bone and the parietal bones coronal suture n. The suture extending across the skull between the two parietal bones and the frontal bone.