a normal subgroup.
noun, Statistics. 1. a value x such that the integral of a normal curve over all those values of the independent variable less than x is equal to the given probability.
noun, Geology. 1. . normal fault A geologic fault in which the hanging wall has moved downward relative to the footwall. Normal faults occur where two blocks of rock are pulled apart, as by tension. Compare reverse fault. See Note and illustration at fault.
- Normal form
1. In reduction systems, the state of a term which contains no reducible expressions. Variants include head normal form, weak head normal form. 2. See database normalisation.
- Normal human plasma
normal human plasma n. Sterile plasma obtained by pooling the liquid portion of whole blood to which has been added a solution of potassium or sodium citrate, or both, from eight or more healthy adult humans and by exposing it to ultraviolet light to destroy bacterial and viral contaminants.