(trigonometry, mathematics) In a right triangle, the ratio of the length of the side opposite an angle to the length of the hypotenuse.

plural of sine / (rare) pair of sixes of dice

(genetics) Acronym of short interspersed element, a type of retrotransposon in genomics. / Acronym of selective inhibitors of nuclear export, a drug for epithelioid sarcoma.

plural of SINE

Dated form of Xining.

(trigonometry, signal processing) A periodically oscillating waveform as described by the sine function, possibly multiplied by some amplitude, shifted by some phase, and translated by an additive constant.

Without specifying a date (for a future event); indefinitely.

(mathematics) A hyperbolic function that is the analogue of the sine function for hyperbolic spaces, taking in a hyperbolic angle as an argument and returning the y-coordinate for the corresponding point on the unit hyperbola. It is written in symbol sinh and can be represented as: sinh (x)= tfrac 1 2(eˣ-e⁻ˣ)

(trigonometry, rare) The trigonometric function defined as half the versed sine. Abbreviation: haversin

(trigonometry) The trigonometric function equal to half the coversed sine. Abbreviation: hacoversin