lactometer

American  

[lak-tom-i-ter] / lækˈtɒm ɪ tər /

noun

1. an instrument for determining the specific gravity of milk.

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lactometer British  

/ lækˈtɒmɪtə /

noun

1. Also called: galactometer.  a hydrometer used to measure the relative density of milk and thus determine its quality

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Etymology

Origin of lactometer

First recorded in 1810–20; lacto- + -meter

Example Sentences

Care should be taken to wash the lactometer with cold water under the tap, as otherwise the milk will dry on it and render it inaccurate.

From The Bacillus of Long Life a manual of the preparation and souring of milk for dietary purposes, together with and historical account of the use of fermente by Douglas, Loudon

The lactometer is used for measuring the purity and richness of milk.

From Orthography As Outlined in the State Course of Study for Illinois by Cavins, Elmer W.

From the refrigerator that cools the milk, the thermometer that tests its temperature, the lactometer that proves its quality, all is mechanical precision.

From Hodge and His Masters by Jefferies, Richard

Thus if the thermometer indicates 40° F., and the lactometer 29.1°, the true reading at the standard temperature of 60° F. is 31°, corresponding to a specific gravity of 1.031.

From The Bacillus of Long Life a manual of the preparation and souring of milk for dietary purposes, together with and historical account of the use of fermente by Douglas, Loudon

The specific gravity of milk is determined by means of the lactometer, an instrument which sinks to a definite point in pure milk.

From Human Foods and Their Nutritive Value by Snyder, Harry