3. [Probably of Scand. origin; cf. Icel. tangi a projecting point; akin to E. tongs. See Tongs.] A projecting
part of an object by means of which it is secured to a handle, or to some other part; anything resembling
a tongue in form or position. Specifically:
(a) The part of a knife, fork, file, or other small instrument, which is inserted into the handle.
(b) The projecting part of the breech of a musket barrel, by which the barrel is secured to the stock.
(c) The part of a sword blade to which the handle is fastened.
(d) The tongue of a buckle. [Prov. Eng.]
(Tang), n. [Of imitative origin. Cf. Twang. This word has become confused with tang tatse,
flavor.] A sharp, twanging sound; an unpleasant tone; a twang.
(Tang), v. t. [imp. & p. p. Tanged ; p. pr. & vb. n. Tanging.] To cause to ring or sound loudly; to
Let thy tongue tang arguments of state.Shak. To tang bees, to cause a swarm of bees to settle, by beating metal to make a din.
(Tang), v. i. To make a ringing sound; to ring.
Let thy tongue tang arguments of state.Shak.
(Tan"ga*lung) n. (Zoöl.) An East Indian civet
(Tan"gence) n. Tangency. [R.]
(Tan"gen*cy) n. The quality or state of being tangent; a contact or touching.
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) 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.
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), 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.
(Tan*gen"tal) a. (Geom.) Tangential.