Definition of tangents. Meaning of tangents. Synonyms of tangents
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Definition of tangents
tangents Artificial Ar`ti*fi"cial, a. [L. artificialis, fr. artificium:
cf. F. artificiel. See Artifice.]
1. Made or contrived by art; produced or modified by human
skill and labor, in opposition to natural; as, artificial
heat or light, gems, salts, minerals, fountains, flowers.
Artificial strife Lives in these touches, livelier
than life. --Shak.
2. Feigned; fictitious; assumed; affected; not genuine.
``Artificial tears.' --Shak.
3. Artful; cunning; crafty. [Obs.] --Shak.
4. Cultivated; not indigenous; not of spontaneous growth; as,
artificial grasses. --Gibbon.
Artificial arguments (Rhet.), arguments invented by the
speaker, in distinction from laws, authorities, and the
like, which are called inartificial arguments or proofs.
--Johnson.
Artificial classification (Science), an arrangement based
on superficial characters, and not expressing the true
natural relations species; as, ``the artificial system'
in botany, which is the same as the Linn[ae]an system.
Artificial horizon. See under Horizon.
Artificial light, any light other than that which proceeds
from the heavenly bodies.
Artificial lines, lines on a sector or scale, so contrived
as to represent the logarithmic sines and tangents, which,
by the help of the line of numbers, solve, with tolerable
exactness, questions in trigonometry, navigation, etc.
Artificial numbers, logarithms.
Artificial person (Law). See under Person.
Artificial sines, tangents, etc., the same as logarithms
of the natural sines, tangents, etc. --Hutton.
Tangent Tangent Tan"gent, n. [L. tangens, -entis, p. pr. of tangere to
touch; akin to Gr. ? having seized: cf. F. tangente. Cf.
Attain, Contaminate, Contingent, Entire, Tact,
Taste, Tax, v. t.] (Geom.)
A tangent line curve, or surface; specifically, that portion
of the straight line tangent to a curve that is between the
point of tangency and a given line, the given line being, for
example, the axis of abscissas, or a radius of a circle
produced. See Trigonometrical function, under Function.
Artificial, or Logarithmic, tangent, the logarithm of
the natural tangent of an arc.
Natural tangent, a decimal expressing the length of the
tangent of an arc, the radius being reckoned unity.
Tangent galvanometer (Elec.), a form of galvanometer having
a circular coil and a short needle, in which the tangent
of the angle of deflection of the needle is proportional
to the strength of the current.
Tangent of an angle, the natural tangent of the arc
subtending or measuring the angle.
Tangent of an arc, a right line, as ta, touching the arc of
a circle at one extremity a, and terminated by a line ct,
passing from the center through the other extremity o.
tangent Tangent Tan"gent, n. [L. tangens, -entis, p. pr. of tangere to
touch; akin to Gr. ? having seized: cf. F. tangente. Cf.
Attain, Contaminate, Contingent, Entire, Tact,
Taste, Tax, v. t.] (Geom.)
A tangent line curve, or surface; specifically, that portion
of the straight line tangent to a curve that is between the
point of tangency and a given line, the given line being, for
example, the axis of abscissas, or a radius of a circle
produced. See Trigonometrical function, under Function.
Artificial, or Logarithmic, tangent, the logarithm of
the natural tangent of an arc.
Natural tangent, a decimal expressing the length of the
tangent of an arc, the radius being reckoned unity.
Tangent galvanometer (Elec.), a form of galvanometer having
a circular coil and a short needle, in which the tangent
of the angle of deflection of the needle is proportional
to the strength of the current.
Tangent of an angle, the natural tangent of the arc
subtending or measuring the angle.
Tangent of an arc, a right line, as ta, touching the arc of
a circle at one extremity a, and terminated by a line ct,
passing from the center through the other extremity o.
Tangent Tangent Tan"gent, a. [L. tangens, -entis, p. pr.]
Touching; touching at a single point; specifically (Geom.)
meeting a curve or surface at a point and having at that
point the same direction as the curve or surface; -- said of
a straight line, curve, or surface; as, a line tangent to a
curve; a curve tangent to a surface; tangent surfaces.
Tangent plane (Geom.), a plane which touches a surface in a
point or line.
Tangent scale (Gun.), a kind of breech sight for a cannon.
Tangent screw (Mach.), an endless screw; a worm.