| SIN | ratio of the opposite side to the hypotenuse of a right-angled triangle |
|---|---|
| SIN | the curve of y=sin x |
| SIN | without a date fixed (as of an adjournment) |
| SIN | a prerequisite |
| SIN | a wave whose waveform resembles a sine curve |
| SIN | an office that involves minimal duties |
| SIN | a benefice to which no spiritual or pastoral duties are attached |
| SIN | a tricyclic antidepressant (trade names Adapin and Sinequan) with numerous side effects (dry mouth and sedation and gastrointestinal disturbances) |
| SIN | muscular strength |
| SIN | a cord or band of inelastic tissue connecting a muscle with its bony attachment |
| SIN | (of a person) possessing physical strength and weight |
| SIN | (of meat) full of sinews |