doughnut-shaped
Học thuậtThân thiện
Definition
- Adjective:
- Shaped like a ring or torus: Having a circular shape with a hole in the center, similar to a doughnut (donut) or a ring.
- Annular: Of or forming a ring-like shape.
Usage
The adjective "doughnut-shaped" is used to describe any object, area, or formation that has a circular form with an empty center. It is a descriptive term often used in both everyday and technical contexts.
Examples
- Descriptive:
- The new building has a unique, doughnut-shaped atrium in the center.
- Saturn is famous for its doughnut-shaped system of rings.
- Scientific/Technical:
- The particle accelerator is a doughnut-shaped tunnel.
- A torus is a doughnut-shaped geometric figure.
Advanced Usage
- "to form a doughnut-shaped pattern": To arrange or appear in a ring-like formation.
- The birds formed a doughnut-shaped pattern in the sky.
- "doughnut-shaped distribution": In statistics or geography, a pattern where data or population is concentrated in a ring, leaving the center sparse.
- The city's population density shows a doughnut-shaped distribution, with fewer people living downtown.
Variants and Related Words
- Annular (adj): Ring-shaped. (More formal/scientific synonym)
- An annular eclipse occurs when the moon covers the center of the sun, leaving a ring of light.
- Toroidal (adj): Having the shape of a torus. (Technical, especially in mathematics and physics)
- The magnetic field was confined within a toroidal chamber.
- Ring-shaped (adj): Shaped like a ring. (A simpler, more general synonym)
Synonyms
- Ring-shaped
- Annular
- Circular with a hollow center
Antonyms
- Solid
- Disc-shaped (circular without a hole)
- Spherical
Adjective
- shaped like a ring