hyperbolic secant


Also found in: Dictionary, Acronyms.

hyperbolic secant

[¦hī·pər¦bäl·ik ′sē‚kant]
(mathematics)
A function whose value is equal to the reciprocal of the value of the hyperbolic cosine. Abbreviated sech.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.