normal

Conforming with, adhering to, or constituting a norm, standard, pattern, level, or type; typical.

Functioning or occurring in a natural way; lacking observable abnormalities or deficiencies.

Relating to or designating the normality of a solution.

Designating an aliphatic hydrocarbon having an acyclic unbranched chain of carbon atoms.

Being at right angles; perpendicular.

Perpendicular to the direction of a tangent line to a curve or a tangent plane to a surface.

Relating to or characterized by average intelligence or development.