normal Adjective Pertaining to a school to teach teachers how to teach.

normal Adjective of, relating to, or being a solution containing one equivalent weight of solute per litre of solution.

normal Adjective Describing a straight chain isomer of an aliphatic hydrocarbon, or an aliphatic compound in which a substituent is in the 1- position of such a hydrocarbon

normal Adjective ("Of a mode in an oscillating system") In which all parts of an object vibrate at the same frequency; See normal mode

normal Adjective Perpendicular to a tangent line or derivative of a surface in Euclidean space.

normal Adjective (Of a subgroup) whose cosets form a group

normal Adjective (Of a field extension of a field K) which is the splitting field of a family of polynomials in K

normal Adjective (Of a distribution) which has a very specific bell curve shape

normal Adjective (Of a family of continuous functions) which is pre-compact

normal Adjective (Of a function from the ordinals to the ordinals) which is strictly monotonically increasing and continuous with respect to the order topology

normal Adjective (Of a matrix) which commutes with its conjugate transpose

normal Adjective (Of a Hilbert space operator) which commutes with its adjoint

normal Adjective (Of an epimorphism) which is the cokernel of some morphism

normal Adjective (Of a monomorphism) which is the kernel of some morphism

normal Adjective (Of a morphism) which is a normal epimorphism or a normal monomorphism

normal Adjective (Of a category) in which every monomorphism is normal

normal Adjective (Of a real number) whose digits, in any base representation, enjoy a uniform distribution

normal Adjective (Of a topology) in which disjoint closed sets can be separated by disjoint neighborhoods

normal Adjective in the default position, set for the most frequently used route.

normal Noun A line or vector that is perpendicular to another line, surface, or plane.

normal Noun A person who is normal, who fits into mainstream society, as opposed to those who live alternative lifestyles.