Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun 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.

from The Century Dictionary.

  • noun Literally, greenness; in pathology, a name for a cutaneous affection characterized by patches of a yellow or yellowish-brown color, the pityriasis versicolor, occurring most frequently on the neck, breast, abdomen, and groin. The name is also applied less definitely to a number of brownish discolorations.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Med.) A cutaneous affection characterized by yellow or yellowish brown pigmented spots.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun medicine melasma; a cutaneous condition with yellow or yellowish-brown pigmented spots

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a tan discoloration of a woman's face that is associated with pregnancy or with the use of oral contraceptives

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[New Latin, from Greek khloasma, greenness, from khloazein, to be green, from khloos, greenish color; see ghel- in Indo-European roots.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

Ancient Greek

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