specificmass
nounUK /spəˈsɪfɪk mæs/
US /spəˈsɪfɪk mæs/
Specific mass is how much something weighs for its size.
The specific mass of the rock is high because it is small but heavy.
OTHER MEANINGS
2. The mass of a substance per unit amount of that substance.
Scientists measured the specific mass of the gas in the lab.
3. The ratio of a body's mass to its volume, often used in engineering.
Engineers checked the specific mass of the metal before building the bridge.
4. A measure used to compare how compact different materials are.
The specific mass of lead is greater than that of wood.