# Normal vs. Tangent — What's the Difference?

## Compare with Definitions

#### Normal

Conforming with, adhering to, or constituting a norm, standard, pattern, level, or type; typical
Normal room temperature.
One's normal weight.
Normal diplomatic relations.

#### Tangent

In geometry, the tangent line (or simply tangent) to a plane curve at a given point is the straight line that "just touches" the curve at that point. Leibniz defined it as the line through a pair of infinitely close points on the curve.

#### Normal

(Biology) Functioning or occurring in a natural way; lacking observable abnormalities or deficiencies.

#### Tangent

A line, curve, or surface meeting another line, curve, or surface at a common point and sharing a common tangent line or tangent plane at that point.

#### Normal

Relating to or designating the normality of a solution.

#### Tangent

Abbr. tan The trigonometric function of an acute angle in a right triangle that is the ratio of the length of the side opposite the angle to the length of the side adjacent to the angle.

#### Normal

Abbr. n Designating an aliphatic hydrocarbon having an acyclic unbranched chain of carbon atoms.

#### Tangent

A sudden digression or change of course
Went off on a tangent during his presentation.

#### Normal

Being at right angles; perpendicular.

#### Tangent

(Music) An upright pin in a keyboard instrument, especially in a clavichord, that rises to sound a string when a key is depressed and stops the string at a preset length to set the pitch.

#### Normal

Perpendicular to the direction of a tangent line to a curve or a tangent plane to a surface.

#### Tangent

Making contact at a single point or along a line; touching but not intersecting.

#### Normal

Relating to or characterized by average intelligence or development.

#### Tangent

(differential geometry) A straight line touching a curve at a single point without crossing it there.

#### Normal

Free from mental illness; sane.

#### Tangent

(math) A function of an angle that gives the ratio of the sine to the cosine, in either the real or complex numbers. Symbols: tan, tg. Category:en:Trigonometric functions

#### Normal

The usual, expected, or standard state, form, amount, or degree
Temperatures have been above normal for this time of year.

#### Tangent

A topic nearly unrelated to the main topic, but having a point in common with it.
I believe we went off onto a tangent when we started talking about monkeys on unicycles at his retirement party.

#### Normal

(Mathematics) A perpendicular, especially a perpendicular to a line tangent to a plane curve or to a plane tangent to a space curve.

#### Tangent

(art) A visual interaction between two or more lines or edges that creates a perceived relationship between them, often in a way that the artist did not intend.

#### Normal

According to norms or rules or to a regular pattern.
Organize the data into third normal form.

#### Tangent

(music) A small metal blade in a clavichord that strikes the strings to produce sound.

#### Normal

(mathematics) Adhering to or being what is considered natural or regular in a particular field or context:

#### Tangent

(geometry) Touching a curve at a single point but not crossing it at that point.

#### Normal

Usual, healthy; not sick or ill or unlike oneself.
John is feeling normal again.

#### Tangent

Of a topic, only loosely related to a main topic.

#### Normal

Teaching teachers how to teach to certain norms
My grandmother attended Mankato State Normal School.

#### Tangent

Straight; not horizontally curved.
The collision occurred on a two-mile stretch of tangent track.

#### Normal

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

#### Tangent

A tangent line curve, or surface; specifically, that portion of the straight line tangent to a curve that is between the point of tangency and a given line, the given line being, for example, the axis of abscissas, or a radius of a circle produced. See Trigonometrical function, under Function.

#### Normal

(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.

#### Tangent

Touching; touching at a single point

#### Normal

In which all parts of an object vibrate at the same frequency normal mode]].

#### Tangent

A straight line or plane that touches a curve or curved surface at a point but does not intersect it at that point

#### Normal

In the default position, set for the most frequently used route.

#### Tangent

Ratio of the opposite to the adjacent side of a right-angled triangle

#### Normal

(geometry) Perpendicular to a tangent of a curve or derivative of a surface.
The interior normal vector of an 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.

#### Normal

(geometry) A line or vector that is perpendicular to another line, surface, or plane.

#### Normal

A person who is healthy, normal, as opposed to one who is morbid.

#### Normal

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

#### Normal

The usual state.
His workload is now back to normal.
Heavy workload is the new normal.

#### Normal

According to an established norm, rule, or principle; conformed to a type, standard, or regular form; performing the proper functions; not abnormal; regular; natural; analogical.
Deviations from the normal type.

#### Normal

According to a square or rule; perpendicular; forming a right angle; as, a line normal to the base. Specifically: Of or pertaining to a normal.

#### Normal

Standard; original; exact; typical.

#### Normal

Any perpendicular.

#### Normal

A straight line or plane drawn from any point of a curve or surface so as to be perpendicular to the curve or surface at that point.

#### Normal

Something regarded as a normative example;
The convention of not naming the main character
Violence is the rule not the exception
His formula for impressing visitors

#### Normal

Conforming with or constituting a norm or standard or level or type or social norm; not abnormal;
Serve wine at normal room temperature
Normal diplomatic relations
Normal working hours
Normal word order
Normal curiosity
The normal course of events

#### Normal

In accordance with scientific laws

#### Normal

Being approximately average or within certain limits in e.g. intelligence and development;
A perfectly normal child
Of normal intelligence
The most normal person I've ever met

#### Normal

Forming a right angle

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