hemispherical
Học thuậtThân thiện
Definition
- Adjective:
- Having the shape of a hemisphere: Describing something that is shaped like half of a sphere.
- Relating to or forming a hemisphere: Pertaining to one of the halves into which a sphere is divided, especially by a plane passing through its center.
Usage
- The word "hemispherical" is used to describe the form or geometry of an object. It is a technical and precise adjective, commonly found in scientific, mathematical, and architectural contexts.
- It is typically used attributively (before a noun) or predicatively (after a linking verb like "is" or "was").
Examples
- Attributive use (before a noun):
- The observatory is crowned with a large hemispherical dome.
- They studied the hemispherical structure of the ancient tomb.
- Predicative use (after a linking verb):
- The bowl's shape is perfectly hemispherical.
- The radar's coverage was designed to be hemispherical.
Advanced Usage
- "Hemispherical symmetry": A property where something is symmetrical about the plane that divides a sphere into two equal halves.
- The model assumes a condition of hemispherical symmetry.
- "Hemispherical projection": A method of mapping a sphere's surface onto a flat plane, often used in cartography or crystallography.
- The data was visualized using a hemispherical projection.
Variants and Related Words
- Hemisphere (noun): One half of a sphere, or one half of the Earth (e.g., the Northern Hemisphere).
- The equator divides the Earth into the Northern and Southern hemispheres.
- Hemispherically (adverb): In a hemispherical manner or form.
- The light was distributed hemispherically from the source.
Synonyms
- Dome-shaped: Having the rounded shape of a dome.
- Semicircular: Shaped like half of a circle (note: this is a 2D shape, while "hemispherical" is 3D).
Antonyms
- Spherical: Shaped like a complete sphere.
- Cubic: Shaped like a cube.
Related Phrases
- Hemispherical bowl: A bowl shaped like a hemisphere.
- The salad was served in a hemispherical bowl.
- Hemispherical head: A type of cylinder head in an internal combustion engine with a dome-like shape.
- The engine's performance was improved with a hemispherical head.
Adjective
- of or relating to or being a hemisphere