relative density

noun Physics.

specific gravity.

Origin of relative density

First recorded in 1875–80

Words nearby relative density

relative aperture, relative atomic mass, relative bearing, relative clause, relative complement, relative density, relative deprivation, relative frequency, relative humidity, relative impediment, relative index of refraction

British Dictionary definitions for relative density

relative density

noun

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

Scientific definitions for relative density

relative density

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