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

  • n. 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 Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. melasma; a cutaneous condition with yellow or yellowish-brown pigmented spots

from the GNU version of the Collaborative International Dictionary of English

  • n. A cutaneous affection characterized by yellow or yellowish brown pigmented spots.

from The Century Dictionary and Cyclopedia

  • n. 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 WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

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


New Latin, from Greek khloasma, greenness, from khloazein, to be green, from khloos, greenish color; see ghel-2 in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)
Ancient Greek (Wiktionary)



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