Adjective

(en adjective)

According to norms or rules.

Healthy; not sick or ill.

Pertaining to a school to teach teachers how to teach.

(chemistry) Of, relating to, or being a solution containing one equivalent weight of solute per litre of solution.

(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.

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

(geometry) Perpendicular to a tangent line or derivative of a surface in Euclidean space.

* The interior normal vector of a ideal perfect sphere will always point toward the center, and the exterior normal vector directly away, and both will always be co-linear with the ray whose' tip ends at the point of intersection, which is the intersection of all three sets of points.

(algebra) (Of a subgroup) whose cosets form a group.

(algebra) (Of a field extension of a field K) which is the splitting field of a family of polynomials in K.

(probability theory, statistics) (Of a distribution) which has a very specific bell curve shape.

(complex analysis) (Of a family of continuous functions) which is pre-compact.

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

(linear algebra) (Of a matrix) which commutes with its conjugate transpose.

(functional analysis) (Of a Hilbert space operator) which commutes with its adjoint.

(category theory) (Of an epimorphism) which is the cokernel of some morphism.

(category theory) (Of a monomorphism) which is the kernel of some morphism.

(category theory) (Of a morphism) which is a normal epimorphism or a normal monomorphism.

(category theory) (Of a category) in which every monomorphism is normal.

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

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

(rail transport, Of points) in the default position, set for the most frequently used route.

Adjective

(en adjective)

Expressed or represented as being accurate.

A ''realistic'' appraisal of the situation.

* {{quote-news

, year=2011 , date=October 1 , author=Tom Fordyce , title=Rugby World Cup 2011: England 16-12 Scotland , work=BBC Sport citation , page= , passage=Scotland needed a victory by eight points to have a realistic chance of progressing to the knock-out stages, and for long periods of a ferocious contest looked as if they might pull it off.}}

Relating to the representation of objects, actions or conditions as they actually are or were.

A ''realistic'' novel about the Victorian poor.