Then it began to increase in density until apparently a man stood before them.

The hazard results due to the difference in density between oil and water.

The room was full of smoke, with only a small decrease in density at floor level.

Kept in low density, they are unlikely to get sick.

The conclusion is that pressure alone cannot account for the increase in density.

It appears to be present in low densities throughout its range.

There are differences across ethnicity in the structure, density, and growth rate of hair.

It is the smallest parish in area, population and density.

The balloon responds to the change in density of the air.

His art has increased in scale and thematic density since.