Secant

Definition of Secant

Pronunciation: sē´kănt
a.1.Cutting; dividing into two parts; as, a secant line.
n.1.(Geom.) A line that cuts another; especially, a straight line cutting a curve in two or more points.
2.(Trig.) A right line drawn from the center of a circle through one end of a circular arc, and terminated by a tangent drawn from the other end; the number expressing the ratio of this line to the radius of the circle. See Trigonometrical function, under Function.

Related Words

air line, axis, beeline, chiasmal, chiasmic, chiastic, chord, crisscross, cross, crosscut, crossed, crossing, cut across, decussate, decussated, diagonal, diameter, direct line, directrix, edge, great-circle course, intersected, intersecting, normal, perpendicular, radius, radius vector, right line, segment, shortcut, side, straight, straight course, straight line, straight stretch, straightaway, streamline, tangent, transversal, vector
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