|1.||physiol an abnormally high degree of irritability or sensitivity in any part of the body|
|a. a personality disorder resulting from mercury poisoning|
|b. an abnormal tendency to become aroused quickly, esp sexually, as the result of a verbal or psychic stimulus|
|[C18: from French éréthisme, from Greek erethismos irritation, from erethizein to excite, irritate]|
erethism er·e·thism (ěr'ə-thĭz'əm)
Abnormal irritability or sensitivity of an organ or a body part to stimulation.