Specific gravity is a measure of the ratio of mass of a given volume of material at 23 C to the same volume of deionized water.
(Specific gravity; is; a measure of the ratio of mass of a given volume of material at 23 C to the same volume of deionized water)
Specific gravity
is
a measure of the ratio of mass of a given volume of material at 23 C to the same volume of deionized water