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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.

Again the master turned the matter over in his just mind, and it occurred to him that the lactometer was of English manufacture and might be puzzled by the milk of the buffalo. 

From Behind the Bungalow by Aitken, Edward Hamilton

The lactometer is a little instrument used to estimate the specific gravity of milk.

From The Mother and Her Child by Sadler, William S.

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.

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

Feeling sure that the lactometer must be at fault, I consulted my friend the doctor, who examined and found it quite correct.

From Life and sport in China Second Edition by Ready, Oliver George