secant
[seekant, kuh nt]

noun
Geometry. an intersecting line, especially one intersecting a curve at two or more points.
Trigonometry.
 (in a right triangle) the ratio of the hypotenuse to the side adjacent to a given angle.
 (originally) a line from the center of a circle through one extremity of an arc to the tangent from the other extremity.
 the ratio of the length of this line to that of the radius of the circle; the reciprocal of the cosine of a given angle or arc. Abbreviation: sec
adjective
cutting or intersecting, as one line or surface in relation to another.
Origin of secant
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for secant
Historical Examples of secant
The complement of the logarithm of a sine, tangent, or secant.
The Sailor's WordBookWilliam Henry Smyth
Secant equals one over cosine—ummmm—one point oh three five.
Skylark ThreeEdward Elmer Smith
Every ray through S1 or S2 which is not a secant determines one of them.
That which is made by a right line, whether tangent or secant, with the circumference of a circle.
The Sailor's WordBookWilliam Henry Smyth
The oblongs made of any secant from the same point, and of the outter segment of the secant are equall betweene themselves.
The Way To GeometryPeter Ramus
secant
noun
Word Origin for secant
C16: from Latin secāre to cut
Collins English Dictionary  Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Online Etymology Dictionary, © 2010 Douglas Harper
secant
[sē′kănt′]
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.