relative density (redirected from relative densities)

relative density

n.

See specific gravity.

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relative density

n

(Mathematics & Measurements / Units) 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. Symbol d See also specific gravity, vapour density

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relative density

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

Thesaurus

Noun

1.

relative density - the ratio of the density of something to the density of a standard density, denseness - the amount per unit size specific gravity - the density of a substance relative to the density of water vapor density, vapour density - the density of a gas relative to the density of hydrogen