質量
Meanings
1
Physics term for mass, as distinct from weight. Used in scientific and technical contexts.
The mass of an object does not change depending on location.
2
quality and quantity
Refers to both the quality and the quantity of something, often used in set phrases like 質量ともに (in both quality and quantity).
See also: 質量ともに
This product is excellent in both quality and quantity.
Usage patterns
- 〈物〉の質量を測るto measure the mass of something
We measure the mass of this object.
- 質量が大きいto have a large mass
The Earth has a greater mass than the Moon.