"The size and density of the rock was such that they were required to use explosives to remove it."
That's very nice of you to offer but I have no need of a sentence with density in it.
Density is how much mass something has for its volume.
The density of a substance can be measured in a laboratory.
The lab technician measured the density of the liquid.
Let's test the density of that wallboard with this two by four.
The Tyndall effect is used commercially to determine the size and density of particles in aerosols.
I'm seriously concerned about the sudden increase in the population density of this area.
Mrs.Tuft used a hydrometer to determine the specific gravity of a liquid
Foam has a lower density than water, so it floats.
The student's report included density-dependent factors that showed how the size of the population varied with the density of that population.
This room has to much mass. Mass is a synonym for density. I guess
Black holes have an insanely huge density (aka they are very dense).