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Definition of Specific gravity
1. Noun. The density of a substance relative to the density of water.
Generic synonyms: Relative Density
Definition of Specific gravity
1. Noun. (physics) The ratio of the mass of a substance to that of an equal volume of water at 4°C (or to some other reference substance) ¹
¹ Source: wiktionary.com
Medical Definition of Specific gravity
1. A measure of concentration. It is the weight of a substance, as compared (as a ratio) with that of an equal volume of water. (27 Sep 1997)