Definition of Tangint
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.
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.
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.
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.
- Webster's Unabridged Dictionary (1913)
- (geometry) A straight line touching a curve at a single point without crossing it there.
- (trigonometry) In a right triangle, the ratio of the length of the side opposite the angle to the length of the side adjacent to the angle. Symbol: tan
- (mathematics) The ratio of the sine to the cosine, in either the real or complex numbers.-->
- A topic nearly unrelated to the main topic, but having a point in common with it.
I believe we went off onto a tangent when we started talking about unicycles.
- (geometry) Touching a curve at a single point but not crossing it at that point.
- Of a topic, only loosely related to a main topic.
- The Nuttall Encyclopedia
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