Sine

3 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Sine \Sine\, n. [LL. sinus a sine, L. sinus bosom, used in
     translating the Ar. jaib, properly, bosom, but probably read
     by mistake (the consonants being the same) for an original
     j[imac]ba sine, from Skr. j[imac]va bowstring, chord of an
     arc, sine.] (Trig.)
        (a) The length of a perpendicular drawn from one extremity


            of an arc of a circle to the diameter drawn through
            the other extremity.
        (b) The perpendicular itself. See {Sine of angle}, below.
            [1913 Webster]
  
     {Artificial sines}, logarithms of the natural sines, or
        logarithmic sines.
  
     {Curve of sines}. See {Sinusoid}.
  
     {Natural sines}, the decimals expressing the values of the
        sines, the radius being unity.
  
     {Sine of an angle}, in a circle whose radius is unity, the
        sine of the arc that measures the angle; in a right-angled
        triangle, the side opposite the given angle divided by the
        hypotenuse. See {Trigonometrical function}, under
        {Function}.
  
     {Versed sine}, that part of the diameter between the sine and
        the arc.
        [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Sine \Si"ne\, prep. [L.]
     Without.
     [1913 Webster]

From WordNet (r) 2.0 [wn]:

  sine
       n : ratio of the opposite side to the hypotenuse of a
           right-angled triangle [syn: {sin}]