sine
Concise Oxford English Dictionary © 2008 Oxford University Press:
sine /sʌɪn/
▶noun Mathematics the trigonometric function that is equal to the ratio of the side opposite a given angle (in a right-angled triangle) to the hypotenuse.
– origin C16: from L. sinus ‘curve’, used in med. L. as a translation of Arab. jayb ‘pocket, sine’.
'sine' also found in these Oxford entries:
arcsin
- cosecant
- DSP
- haversine
- sans
- sin
- sinecure
- sine curve
- sine die
- sine qua non
- sinh
- sinusoid
- snob
- vector product
- versed sine
- versin
