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Line 1: − {{merge|density}}+ − '''Specific gravity''' is a property of any given sample of matter, defined as the [[ratio]] of its [[density]] to that of [[water]] at a given temperature. It is thus [[dimensionless]]. − − Substances are denser than water if they have a specific gravity greater than 1, and less dense if it is less than 1. However, it does not follow that water has a specific gravity of 1, since the density of water varies according to the temperature. − − The use of specific gravity is generally discouraged in present-day scientific and technical writing, with absolute values of density preferred. − − [[Category:Physics]]
merge completed
#REDIRECT [[Density]]