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lactometer

American  
[lak-tom-i-ter] / lækˈtɒm ɪ tər /

noun

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


lactometer British  
/ lækˈtɒmɪtə /

noun

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of lactometer

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

An instrument called the lactometer is also used, by which the amount of cream present is ascertained.

From Project Gutenberg

A great philanthropist, and distinguished man of the world, has invented a new Lactometer for testing the milk of human kindness.

From Project Gutenberg

As there are many inaccurate instruments in the market, it is necessary to go to a reputable maker, because an unreliable lactometer is worse than useless.

From Project Gutenberg

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 Project Gutenberg

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 Project Gutenberg