The Collaborative International Dictionary of English v.0.48:
Dermatitis \Der`ma*ti"tis\, n. [NL., fr. Gr. de`rma, -atos, skin + -itis.] (Med.) Inflammation of the skin. [1913 Webster]WordNet (r) 3.0 (2006):
dermatitis n 1: inflammation of the skin; skin becomes itchy and may develop blisters