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Tangent   /tˈændʒənt/   Listen
noun
Tangent  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.



adjective
Tangent  adj.  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.






Collaborative International Dictionary of English 0.48








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"Tangent" Quotes from Famous Books



... horses. The 38th behaved splendidly, but all their officers were killed or wounded, a number of gunners, and many horses. Two guns were for a time in the hands of the Boers, who, I believe, removed the tangent sights. It appears that the M.I. escort of the Battery, owing, I suppose, to some misunderstanding, retreated. The situation was saved by Captain Budworth, of our Battery, who collected and brought up some mounted infantry, whether ...
— In the Ranks of the C.I.V. • Erskine Childers

... enthusiasm, but not enthusiasm in a straight line. We are impotent in directing it, like a boy with a toy engine. How carefully the child sets it off, how soon it goes off the rails! So youth is wrecked. The slightest obstacle sends it off at a tangent. The vital force expended in a wrong direction does evil instead of good. You know the story of Atalanta. It has always been misread. She was the type not of woman but of youth, and Hippomenes personated age. He was ...
— Better Dead • J. M. Barrie

... bumped. Two men clung to the short steering tongue, trying to guide it. They were thrown violently from side to side, dragged here and there, tripping, hauling, falling across the tongue, but managing to keep the machine from dashing off at a tangent. Above them, high and precarious, swayed the short stout figure of Bert Taylor. He was in full regalia—leather helmet, heavy leather belt, long-tailed coat, and in his free hand the chased silver speaking trumpet with the red ...
— The Gray Dawn • Stewart Edward White

... down, and a rushing river glimmered before us. We struck off at a tangent and followed its course to the north, stumbling in muddy rifts, slipping on seaweed, beginning to be blinded by a fine salt spray, and deafened by the thunder of the ocean surf. The river broadened, whitened, roughened. gathered ...
— Riddle of the Sands • Erskine Childers

... stronger gust came in the air. A scattering of leaves clustered together and moved with sudden agitation across the sward before them; paused and seemed to be trying to flutter a hold into the ground; rushed aimlessly at a tangent to their former direction; paused again; and again seemed to be holding on. Before a sudden gust they were spun helplessly upward, sported aloft in mazy arabesques, ...
— If Winter Comes • A.S.M. Hutchinson


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