Annulus
Pronunciation: /ˈænnələs/
Annulus (noun)
- A flat, circular shape like a ring.
- A ring-like part found on some mushrooms.
- A ring-shaped structure in the body, like in the heart.
Examples
- The annulus was perfectly round and smooth.
- A bright annulus surrounded the planet in the image.
Common collocations: circular annulus, annular formation, mushroom annulus, annulus formation, vertebral annulus