Source : WordNet®

normality
     n 1: (of a solution) concentration expressed in gram equivalents
          of solute per liter [syn: {N}]
     2: being within certain limits that define the range of normal
        functioning [syn: {normalcy}] [ant: {abnormality}]
     3: expectedness as a consequence of being usual or regular or
        common [syn: {normalcy}]
     4: conformity with the norm