straight line

Antonyms:

curve, curved shape

the trace of a point whose direction of motion changes

Types:

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perpendicular

a straight line at right angles to another line

asymptote

a straight line that is the limiting value of a curve; can be considered as tangent at infinity

tangent

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

secant

a straight line that intersects a curve at two or more points

radius

a straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere)

diameter

a straight line connecting the center of a circle with two points on its perimeter (or the center of a sphere with two points on its surface)

chord

a straight line connecting two points on a curve

element

a straight line that generates a cylinder or cone

bias, diagonal

a line or cut across a fabric that is not at right angles to a side of the fabric

diagonal

(geometry) a straight line connecting any two vertices of a polygon that are not adjacent

vector

a straight line segment whose length is magnitude and whose orientation in space is direction

element of a cone

a straight line joining the apex and a point on the base

element of a cylinder

a straight line running the length of the cylinder

ray

(mathematics) a straight line extending from a point

Type of:

line

a length (straight or curved) without breadth or thickness; the trace of a moving point