semicircular
/'semi'sə:kjulə/
Học thuậtThân thiện
Definition
Adjective: Having the shape of a half circle; curved like an arc that is exactly half of a full circle.
Usage
The adjective "semicircular" is used to describe any object, structure, or path that forms or resembles a half circle. It is commonly used in geometry, architecture, and anatomy.
Examples
- The ancient theater had semicircular seating that faced the stage.
- The driveway was arranged in a semicircular pattern in front of the house.
- The semicircular canals in your inner ear are crucial for balance.
Advanced Usage
- "Semicircular arch": An arch whose inner curve is a perfect half circle, common in Roman and Romanesque architecture.
- "Semicircular motion": Movement along a path that traces a half circle.
Variants and Related Words
- Semicircle (noun): A half of a circle, or an object/arrangement with that shape.
- The students sat in a semicircle around the teacher.
- Semicircularly (adverb): In a semicircular manner or shape.
- The benches were arranged semicircularly.
Synonyms
- Crescent-shaped: Shaped like a crescent moon (a thinner, pointed arc).
- Arced: Forming a simple curve, not necessarily a perfect half circle.
- Curvilinear: Consisting of or bounded by curved lines.
Antonyms
- Rectilinear: Consisting of or moving in a straight line.
- Angular: Having sharp angles or corners.
- Linear: Arranged in or extending along a straight line.
Adjective
- curved into a half circle