DEFINE_COM_1606187677.html

#top sine

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

Sine \Sine\, noun [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.

{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.

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

Sine \Si"ne\, preposition [L.] Without.

From WordNet (r) 3.0 (2006) [wn]:

noun

1: ratio of the length of the side opposite the given angle to the length of the hypotenuse of a right-angled triangle [syn: {sine}, {sin}]