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A device used to measure the specific gravity, and therefore the richness, of milk.
(Tools) a hydrometer used to measure the relative density of milk and thus determine its quality. Also called: galactometer
lac•tom•e•ter(lækˈtɒm ɪ tər)
a hydrometer for measuring the specific density of milk to determine its fat content.
an instrument for measuring the richness of milk from its specific gravity. Also called galactometer.See also: Instruments, Milk