cubical
/'kju:bik/
Học thuậtThân thiện
Definition
Adjective: - Shaped like a cube: Having the form or approximate form of a cube; having three dimensions of roughly equal length.
Usage
The adjective "cubical" is used to describe objects, spaces, or forms that resemble a cube in shape. It is often used in technical, mathematical, or descriptive contexts. - It typically functions as an attributive adjective (placed before a noun) or a predicative adjective (following a linking verb like "be"). - It describes physical geometry, not abstract concepts.
Examples
- Attributive use:
- The children played with cubical building blocks.
- The architect designed a modern house with a cubical structure.
- Predicative use:
- The sugar crystals are perfectly cubical.
- The room was almost cubical, with equal length, width, and height.
Advanced Usage
- In Mathematics and Geometry: While "cubic" is more common for mathematical expressions (e.g., cubic equation), "cubical" is used to describe shape.
- The model represented the data points within a cubical volume.
- In Science and Crystallography: Used to describe the shape of crystals or molecular structures.
- Salt (NaCl) often forms cubical crystals.
Variants and Related Words
- Cube (n): A solid object with six equal square faces.
- A die is a small cube.
- Cubic (adj):
- Having the shape of a cube (similar to "cubical").
- In mathematics, involving the third power (the cube) of a number.
- A cubic meter is a unit of volume.
- This is a cubic equation.
- Cuboid (adj/n): Shaped like a cube but with rectangular faces rather than square ones; a rectangular prism.
- The box was cuboid in shape.
Synonyms
- Cube-shaped: Having the form of a cube.
- Hexahedral: (Technical) Having six faces, like a cube.
- Blocky: Resembling a block or cube, often in a more informal or rough sense.
Antonyms
- Spherical: Shaped like a sphere.
- Cylindrical: Shaped like a cylinder.
- Amorphous: Without a clearly defined shape or form.
Notes on Usage
- "Cubical" vs. "Cubic": In modern usage, "cubic" is far more common, especially in general descriptions of shape. "Cubical" is less frequent but is still correct and used for emphasis on the precise cube-like form. In mathematics, "cubic" is standard for measurements and equations (cubic foot, cubic function), while "cubical" is not used.
- "Cubicle" Warning: Do not confuse the adjective cubical (shaped like a cube) with the noun cubicle (a small partitioned space, often in an office). They have different meanings and pronunciations.
Adjective
- shaped like a cube