secant

Definitions of secant
  1. noun
    a straight line that intersects a curve at two or more points
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    type of:
    straight line
    a line traced by a point traveling in a constant direction; a line of zero curvature
  2. noun
    ratio of the hypotenuse to the adjacent side of a right-angled triangle
    synonyms: sec
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    type of:
    circular function, trigonometric function
    function of an angle expressed as a ratio of the length of the sides of right-angled triangle containing the angle
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