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Webster 1913 Edition


Secant

Se′cant

(sē′kănt)
,
Adj.
[L.
secans
,
-antis
, p. pr. of
secare
to cut. See
Section
.]
Cutting; dividing into two parts;
as, a
secant
line
.

Secant

,
Noun.
[Cf. F.
sécante
. See
Secant
,
Adj.
]
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
.

Webster 1828 Edition


Secant

SE'CANT

,
Adj.
[L. secans, seco, to cut or cut off, coinciding with Eng. saw.] Cutting; dividing into two parts.

SE'CANT

,
Noun.
1. In geometry, a line that cuts another, or divides it into parts. The secant of a circle is a line drawn from the circumference on one side, to a point without the circumference on the other, In trigonometry, a secant is a right line drawn from the center of a circle, which, cutting the circumference, proceeds till it meets with a tangent to the same circle.
2. In trigonometry, the secant of an arc is a right line drawn from the center through one end of the arc, and terminated by a tangent drawn through the other end.

Definition 2022


secant

secant

See also: sécant

English

Noun

secant (plural secants)

  1. (geometry) A straight line that intersects a curve at two or more points.
  2. (trigonometry) In a right triangle, the reciprocal of the cosine of an angle. Symbol: sec

Related terms

Translations

External links

  • secant in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913
  • secant in The Century Dictionary, The Century Co., New York, 1911

Anagrams


Latin

Verb

secant

  1. third-person plural present active indicative of secō