normal (nor´mal)

1. Typical; usual; according to the rule or standard. 2. In bacteriology, nonimmune; untreated; denoting an animal, or the serum or substance contained therein, that has not been experimentally immunized against any microorganism or its products. 3. Denoting a solution containing 1 equivalent of replaceable hydrogen or hydroxyl per liter; e.g., 1 m HCl is 1 n, but 1 m H2SO4 is 2 n. 4. In psychiatry and psychology, denoting a level of effective functioning which is satisfactory to both the individual and his social milieu. [L. normalis, according to pattern]


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