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6 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 tan·gent /-ʤənt/
 (a.)接觸的,切線的,相切的,離題的切線,正切

From: Taiwan MOE computer dictionary

 tangent
 正

From: Network Terminology

 tangent
 正切 切線

From: Webster's Revised Unabridged Dictionary (1913)

 Tan·gent n.  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 tangent, 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.

From: Webster's Revised Unabridged Dictionary (1913)

 Tan·gent, a.  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.
 

From: WordNet (r) 2.0

 tangent
      n 1: a straight line or plane that touches a curve or curved
           surface at a point but does not intersect it at that
           point
      2: ratio of the opposite to the adjacent side of a right-angled
         triangle [syn: tan]