The outer ones are smaller than the inner. This double wall was built with a gap between the inner and outer layer. The larger urban centres consisted of an inner and an outer town. I see everything in terms of an outer skin and an inner skin. Visitors ascend a series of metal stairs between the inner and outer domes. Definition&colon; Removal of an undesirable outer from a desirable inner. Sometimes quotations are nested in more levels than inner and outer quotation. Neither of the other two progressed beyond the construction of the inner core. The matrix is the space enclosed by the inner membrane. This allows the transmission of vibrations to the inner ear. He finds his sense of inner peace. Tinnitus develops due to irritation of the delicate nerve endings in the inner ear. It is believed to be due to a mechanical malfunction of the inner ear. The style was characterised by symmetrical buildings placed as arms that defined an inner garden. This is well defined by the nonnegativity axiom of the definition of inner product space.