English

Noun

relative density ‎(plural relative densities)

1. (sciences) A measure of the density of a material. The ratio of the density of a substance to the density of water at the same temperature. It is dimensionless and therefore has no units.
   • Typical relative densities (approximate)

     ethanol: 0.79

     water: 1.00

     iron: 7.8

     gold: 19.3

Synonyms

• specific gravity