subnormal

Less than normal; below the average.

One who is regarded as subnormal in some respect, such as in intelligence or coordination.

Less than normal: abnormal by defect or deficiency.

In mathematics, cut off by the normal.

That part of the axis of a bscissas of a curve which is intercepted between the normal and the ordinate.

That part of the axis of a curved line which is intercepted between the ordinate and the normal.

Less than normal.

denormal

That part of the axis of a curved line which is intercepted between the ordinate and the normal.

a person of less than normal intelligence