normal
IPA: nˈɔrmʌɫ
noun
- (geometry) A line or vector that is perpendicular to another line, surface, or plane.
- (medicine, countable) A person who is healthy, normal, as opposed to one who is morbid.
- (slang, countable) A person who is normal, who fits into mainstream society, as opposed to those who live alternative lifestyles.
- (countable, uncountable) The usual state.
adjective
- According to norms or rules or to a regular pattern.
- (mathematics) Adhering to or being what is considered natural or regular in a particular field or context:
- (number theory, of a real number) In whose representation in a given base b ≥ 2, for every positive integer n, the bⁿ possible strings of n digits follow a uniform distribution.
- (algebra, of a subgroup) With cosets which 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; that is or has the qualities of a normal distribution.
- (probability theory, statistics, of a random variable, etc.) Which has a normal distribution; which is associated with a random variable that has a normal distribution.
- (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) Being (as a morphism) or containing (as a category) only normal epimorphism(s) or monomorphism(s), that is, those which are the kernel or cokernel of some morphism, respectively.
- (topology, of a topology) In which disjoint closed sets can be separated by disjoint neighborhoods.
- Usual, healthy; not sick or ill or unlike oneself.
- (fandom slang, sarcastic, with “about”) Fervently interested in a subject; obsessed.
- (education, of a school) teaching teachers how to teach (to certain norms)
- (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 normal mode).
- (rail transport, of points) In the default position, set for the most frequently used route.
- (geometry) Perpendicular to a tangent of a curve or derivative of a surface.
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Examples of "normal" in Sentences
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