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chloasma

[kloh-az-muh]
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noun Pathology.
  1. a condition in which light-brown spots occur on the skin, caused by exposure to sun, dyspepsia, or certain specific diseases.
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Origin of chloasma

1875–80; < New Latin < Late Greek: greenness, derivative of Greek chloázein to be green, derivative of chlóos green
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for chloasma

chloasma

noun plural chloasmata (kləʊˈæzmətə)
  1. 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
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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

chloasma in Medicine

chloasma

(klō-ăzmə)
n. pl. chlo•as•ma•ta (-mə-tə)
  1. 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.mask of pregnancy melasma
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.