massdensity
nounUK /ˌmæs ˈdɛnsɪti/
US /ˌmæs ˈdɛnsəti/
Mass density is how much stuff is packed into a certain amount of space.
The mass density of the rock is high because it feels heavy for its small size.
RELATED WORDS
OTHER MEANINGS
2. In physics, the amount of mass contained in a unit volume of a substance, usually measured in kilograms per cubic meter.
Water has a mass density of about 1,000 kilograms per cubic meter.
3. A measure used to compare how heavy equal-sized pieces of different materials are.
Because iron has a higher mass density than wood, a small iron block can weigh more than a larger wooden one.
4. The ratio of a material's mass to its volume, often used to identify or describe materials.
Scientists calculated the mass density of the sample to figure out what metal it was.