たいせき体積taiseki
1.
The measurement of the space occupied by a three-dimensional object, indicating how much room it takes up in physical dimensions.
2.
The extent of space within a solid shape, often associated with the amount of substance or material that can be contained within it.
3.
A quantitative representation of the three-dimensional space encompassed by an object, reflecting its physical presence in the environment.
Example:
体積が大きいからといって常に重量も重いとは限らない。