noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   In a right triangle, the reciprocal of the sine of an angle. Symbols: cosec, csc
2. 2
   ratio of the hypotenuse to the opposite side of a right-angled triangle wordnet

Synonyms

All synonyms

cosec

Example

More examples

"The graph of the cosecant function has vertical asymptotes."

Etymology

From co- + secant.

Related phrases

hyperbolic cosecantright triangle

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.