Is Word sine Accepted in TWL Scrabble Dictionary?

sine is Accepted in TWL Scrabble Dictionary

sine Scrabble score: 4

(in a right triangle) the ratio of the side opposite a given acute angle to the hypotenuse
cosine of the complement of a given angle or arc
trigonometric function sin ? that for all real numbers ? is exactly equal to the sine of an angle of measure ? in radians and that is given by the sum of the alternating series sine.jpg
the trigonometric function that for an acute angle is the ratio between the leg opposite the angle when it is considered part of a right triangle and the hypotenuse
to rinse (to cleanse with clear water) [v SINED, SINING, SINES]