Annulus - Meaning, Definition & English Examples
An annulus is a ring-shaped object or area, such as the space between two concentric circles. It is commonly used in geometry, engineering, and biology to describe circular structures.
Definition:
A ring-shaped object, structure, or region, such as the space between two concentric circles.
Synonyms:
ring, loop, circle, band
Part of Speech:
noun
Antonyms:
solid, block
Common Collocations:
annular eclipse, annulus shape, annulus formation
Derivatives:
annular, annulated
Usage Tips:
Use "annulus" to describe ring-shaped structures in geometry, biology, or engineering contexts.
Common Phrases:
annulus of fire, annulus fibrosus
Etymology:
From Latin "annulus," meaning "little ring," derived from "anus" (ring).
Examples:
- 1. The annulus of the tree stump showed its age clearly.
- 2. Saturn's rings form a bright annulus around the planet.
- 3. The engineer measured the width of the metal annulus carefully.
- 4. A fungal growth formed a perfect annulus on the forest floor.