📖 Definitions of "Annulus"
noun
- 1
A ring- or donut-shaped area or structure.
- 2
The region in a plane between two concentric circles of different radii.
- 3
Any topological space homeomorphic to the region in a plane between two concentric circles of different radius.
- 4
The ring of the sun not covered by the moon in an annular solar eclipse.
🔄 Synonyms of "Annulus"
5 synonyms found via WordNet and Google Books.
| Word | Definition |
|---|---|
| ringnoun | (physical) A solid object in the shape of a circle. |
| doughnutnoun | A deep-fried piece of dough or batter, usually mixed with various sweeteners and flavors, often made in a toroidal or ellipsoidal shape flattened sphere shape filled with jelly/jam, custard, or cream. |
| anulusnoun | a toroidal shape |
| anchor ringnoun | (geometry, dated) A torus. |
| halonoun | A circular band of coloured light, visible around the sun or moon etc., caused by reflection and refraction of light by ice crystals in the atmosphere. |
💡 Words with a Similar Meaning to "Annulus"
Found via reverse dictionary — words that share a conceptual meaning.
| Word | Definition |
|---|---|
| anchor ringnoun | (geometry, dated) A torus. |
| halonoun | A circular band of coloured light, visible around the sun or moon etc., caused by reflection and refraction of light by ice crystals in the atmosphere. |
| ringnoun | (physical) A solid object in the shape of a circle. |
| doughnutnoun | A deep-fried piece of dough or batter, usually mixed with various sweeteners and flavors, often made in a toroidal or ellipsoidal shape flattened sphere shape filled with jelly/jam, custard, or cream. |
| anulusnoun | a toroidal shape |
| ovalnoun | An elongated round shape resembling an egg or ellipse. |
| rimnoun | An edge around something, especially when circular. |
| girdlenoun | A belt or sash at the waist, often used to support stockings or hosiery. |
| hoopnoun | A circular band of metal used to bind a barrel. |
| loopnoun | A length of thread, line or rope that is doubled over to make an opening. |
| tubingnoun | Riding down a river on an inner tube recreationally. |
| fibrosusnoun | — |
| periannulusnoun | (anatomy) The region surrounding an annulus of the heart |
| areolanoun | (anatomy) The circular, darkly pigmented area surrounding a nipple; the areola mammae. |
| limbal ringnoun | (medicine, biology) A dark ring around the outside of the iris. |
| ringside | Beside the ring, especially a boxing ring. |
| perinucleusnoun | A perinuclear region |
| midcirclenoun | The middle of a circle. |
| endarteriumnoun | (anatomy) The lining of an artery. |
| perifoveanoun | (anatomy) A band immediately surrounding a fovea |
⚡ Words Strongly Associated with "Annulus"
These words statistically appear in the same text as "annulus" (Google Books Ngrams).
🎨 Adjectives for "Annulus"
Popular adjectives used to describe this word in books.
🏷️ Nouns for "Annulus"
Common nouns this word is used to describe.
📝 Common Phrases with "Annulus"
Words that come before
🌐 Broader and Narrower Concepts
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