1 Eczema is not a single disease but a reaction pattern of the skin produced by a number conditions. 2  Atopic dermatitis, a common causes of eczema, is more prevalent in those with asthma and hay fever. 3  Eczema appears as small blisters that can weep and ooze, or as crusted, thickened plaques of skin.
concatenation (kÉnËkÃ¦tÉªËneÉªÊÉn) n 1. a series of interconnected events, concepts, etc 2. the act of linking together or the state of being joined 3. (Logic) logic a function that forms a single string of symbols from two given strings by placing the second after the first.
separation. 1  an act or instance of separating or the state of being separated. 2  a place, line, or point of parting. 3  a gap, hole, rent, or the like. 4  something that separates or divides. 5  Law. cessation of conjugal cohabitation, as by mutual consent. 6  Aerospace. the time or act of releasing a burned-out stage of a rocket or missile from the remainder.