COSECANT


Meaning of COSECANT in English

[ kəʊ'si:k(ə)nt , -'sɛk- ]

■ noun Mathematics the ratio of the hypotenuse (in a right-angled triangle) to the side opposite an acute angle; the reciprocal of sine.

Origin

C18: from mod. L. ~- , from co- + L. secant- , secare 'to cut'; cf. secant .

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.