Definitions

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

  • n. Abnormal irritability or sensitivity of an organ or a body part to stimulation.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Abnormal excitement of a bodily organ or tissue.
  • n. Any unusual or morbid overexcitement.

from the GNU version of the Collaborative International Dictionary of English

  • n. A morbid degree of excitement or irritation in an organ.

from The Century Dictionary and Cyclopedia

  • n. In physiology, excitement or stimulation of any organ or tissue, specifically of the organs of generation: as, the sexual erethism.

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

  • n. an abnormally high degree of irritability or sensitivity to stimulation of an organ or body part

Etymologies

French éréthisme, from Greek erethisma, a provocation, from erethizein, to irritate.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From French éréthisme, from Ancient Greek ἐρεθισμός (erethismos), from ἐρεθίζειν (erethizein, "to irritate"). (Wiktionary)

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