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lactic

[lak-tik]
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adjective
  1. of, relating to, or obtained from milk.

Origin of lactic

First recorded in 1780–90; lact- + -ic
Related formsnon·lac·tic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for lactic

lactic

adjective
  1. relating to or derived from milk

Word Origin

C18: from Latin lact-, lac milk
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

Word Origin and History for lactic

adj.

"pertaining to milk," 1790 (in lactic acid; so called because it was obtained from sour milk), from French lactique, from Latin lactis, genitive of lac "milk" (see lactation) + French -ique.

Online Etymology Dictionary, © 2010 Douglas Harper

lactic in Medicine

lactic

([object Object])
adj.
  1. Of, relating to, or derived from milk.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

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