relative density

noun

, Physics.

1. specific gravity.

relative density

noun

1. the ratio of the density of a substance to the density of a standard substance under specified conditions. For liquids and solids the standard is usually water at 4°C or some other specified temperature. For gases the standard is often air or hydrogen at the same temperature and pressure as the substance d See also specific gravity vapour density

relative density

1. The ratio of the density of one substance to that of a reference substance, typically water.
2. See more at specific gravity

Word History and Origins

Origin of relative density¹

First recorded in 1875–80;

Example Sentences

Thus if d be the relative density, then 10d represents the weight of a gallon in ℔.

From Project Gutenberg

Hence W/(W - W1) is the relative density or specific gravity of the body.

From Project Gutenberg

To apply this test, the relative density or specific gravity of the sample must be determined.

From Project Gutenberg

The relative density of the Jews is greatest in these parts.

From Project Gutenberg