Meaning and Usage
"立方" primarily refers to the mathematical concept of a cube or cubing a number (raising it to the third power). It is commonly used in geometry to describe three-dimensional shapes and in arithmetic when discussing powers.
Common Collocations
- 立方米 (cubic meter): a unit of volume measurement.
- 立方体 (cube): a three-dimensional geometric figure with equal edges.
- 立方根 (cube root): the root of a number that when cubed returns the original number.
Usage Notes
When using "立方" in conversation or writing, it often appears in scientific, mathematical, or technical contexts. It can describe physical volume or the operation of cubing a number. Avoid confusing it with "平方" which means square (second power).
Example Contexts
- Describing volume: "三立方米" means three cubic meters.
- Mathematical operations: "数字立方" means to cube a number.
- Geometry: "立方体" is a cube shape.
Understanding "立方" helps learners talk about measurements and mathematical concepts accurately.