dermatitis

 
Pronunciation: /ˌdəːməˈtʌɪtɪs/

noun

[mass noun]
  • a condition of the skin in which it becomes red, swollen, and sore, sometimes with small blisters, resulting from direct irritation of the skin by an external agent or an allergic reaction to it. Compare with eczema.

Origin:

late 19th century: from Greek derma, dermat- 'skin' + -itis