mass density
mass of a sample, material or body divided by its volume
stowage factor
Metric for space taken up by one tonne of cargo in a ship
liquid water content
measure of the mass of the water in a cloud
lighter-than-air
property necessary for a gas to be considered a lifting gas
relative density
ratio of the density (mass per volume) of a substance to the density of a given reference material
density of air
mass per unit volume of earths atmosphere
mass concentration
mass density of a component in a chemical mixture
particle density
density of individual particles contained in a granular material or other heterogeneous mixture
bulk density
overall density of a granular material, with void space included in the denominator