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[kloh-az-muh] /kloʊˈæz mə/
noun, Pathology.
a condition in which light-brown spots occur on the skin, caused by exposure to sun, dyspepsia, or certain specific diseases.
Origin of chloasma
1875-80; < New Latin < Late Greek: greenness, derivative of Greek chloázein to be green, derivative of chlóos green Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for chloasma


noun (pl) chloasmata (kləʊˈæzmətə)
(med) the appearance on a person's skin, esp of the face, of patches of darker colour: associated with hormonal changes caused by liver disease or the use of oral contraceptives
Word Origin
C19: from New Latin, from Greek khloasma greenness
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
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chloasma in Medicine

chloasma chlo·as·ma (klō-āz'mə)
n. pl. chlo·as·ma·ta (-mə-tə)
A patchy brown or dark brown skin discoloration that usually occurs on a woman's face and may result from hormonal changes, as in pregnancy. Also called mask of pregnancy, melasma.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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