[mass noun]a medical condition in which patches of skin become rough and inflamed with blisters which cause itching and bleeding, sometimes resulting from a reaction to irritation (eczematous dermatitis) but more typically having no obvious external cause 湿疹
派生 eczematous [ɛkˈziːmətəs, ɛkˈzɛm-] adjective 语源
mid 18th cent.: modern Latin, from Greek ekzema, from ekzein 'boil over, break out', from ek- 'out' + zein 'boil'