Normal

adjective

1. conforming to a type, standard, or regular pattern : characterized by that which is considered usual, typical, or routine
2. not associated
3. having a straight-chain structure
4. perpendicular
5. perpendicular to a tangent (see tangent entry 1 sense 3) at a point of tangencyespecially
6. having the property that every coset produced by operating on the left by a given element is equal to the coset produced by operating on the right by the same elementof a subgroup
7. relating to, involving, or being a normal curve or normal distribution
8. having the property of commutativity under multiplication by the transpose of the matrix (see matrix sense 5a) each of whose elements is a conjugate (see conjugate entry 1 sense 2b) complex number with respect to the corresponding element of the given matrixof a matrix
9. town north of Bloomington in central Illinois population 52,497
10. according with, constituting, or not deviating from a norm, rule, procedure, or principle
11. occurring naturally
12. approximating the statistical average or norm
13. generally free from physical or mental impairment or dysfunction : exhibiting or marked by healthy or sound functioning
14. not exhibiting defect or irregularity
15. within a range considered safe, healthy, or optimal
16. having a concentration of one gram equivalent of solute per literof a solution
17. containing neither basic hydroxyl nor acid hydrogen