5 Metaphors for density

Of the specific gravity of the air he seems to be amusingly uncertain,making it first 833 times and afterwards 770 times less than that of water; and in the same connection he says, in chosen phrase, that 'density, or closeness, is another quality of the atmosphere,'as if it were its characteristic, and not common to all ponderable matter.

It should be observed, that volume, as we have used the word, is the apparent space occupied, and differs from mass, which is the effective space occupied, or the real bulk of matter, while density is the relation of mass to volume, or the quotient resulting from the division of the one by the other.

Thus the comparative density of the population in arable districts is at once a blessing and a trouble.

But the density of mass, the solid breadth, the depth, bulk, and weight of men so irresistible at close-quarter work, is an invitation to utter destruction if it is caught by the guns before it can move.

The density of his mask was an increasing wonder to me.

5 Metaphors for  density