straight line

Noun
  1. A line traced by a point traveling in a constant direction;
    A line of zero curvature (synset 113892630)
    "the shortest distance between two points is a straight line"
    is a type of: line - a length (straight or curved) without breadth or thickness; the trace of a moving point
    subtypes:
    • 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

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