A Quick and Simple Dictionary

normal

1. Adjective.  According to norms or rules.
2. Adjective.  Usual; ordinary.
3. Adjective.  Healthy; not sick or ill.
4. Adjective.  Pertaining to a school to teach teachers how to teach.
5. Adjective.  (chemistry) of, relating to, or being a solution containing one equivalent weight of solute per litre of solution.
6. Adjective.  (organic chemistry) 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.
7. Adjective.  (physics) (''Of a mode in an oscillating system'') In which all parts of an object vibrate at the same frequency; See normal mode.
8. Adjective.  (geometry) Perpendicular to a tangent line or derivative of a surface in Euclidean space.
9. Adjective.  (algebra) (Of a subgroup) whose cosets form a group.
10. Adjective.  (algebra) (Of a field extension of a field K) which is the splitting field of a family of polynomials in K.
11. Adjective.  (probability theory, statistics) (Of a distribution) which has a very specific bell curve shape.
12. Adjective.  (complex analysis) (Of a family of continuous functions) which is pre-compact.
13. Adjective.  (set theory) (Of a function from the ordinals to the ordinals) which is strictly monotonically increasing and continuous with respect to the order topology.
14. Adjective.  (linear algebra) (Of a matrix) which commutes with its conjugate transpose.
15. Adjective.  (functional analysis) (Of a Hilbert space operator) which commutes with its adjoint.
16. Adjective.  (category theory) (Of an epimorphism) which is the cokernel of some morphism.
17. Adjective.  (category theory) (Of a monomorphism) which is the kernel of some morphism.
18. Adjective.  (category theory) (Of a morphism) which is a normal epimorphism or a normal monomorphism.
19. Adjective.  (category theory) (Of a category) in which every monomorphism is normal.
20. Adjective.  (Of a real number) whose digits, in any base representation, enjoy a uniform distribution.
21. Adjective.  (topology) (Of a topology) in which disjoint closed sets can be separated by disjoint neighborhoods.
22. Adjective.  (rail transport, of points) in the default position, set for the most frequently used route.
23. Noun.  (geometry) A line or vector that is perpendicular to another line, surface, or plane.
24. Noun.  (slang) A person who is normal, who fits into mainstream society, as opposed to those who live alternative lifestyles.